At the outside place you picked, stand where there is lots of clearance in front of you. Thus, for the combined system you have $\Delta F_\mathrm{combined} = -2k\Delta x$. Direct link to Kyle Delaney's post Exercise 2 is worded very, Posted 6 years ago. A fun physics problem from Science Buddies, Key concepts Explain it in terms of the structure of the band, if that is relevant. Stretch it by a distance $x$ with your hands. Because the rubber band is not ideal, it delivers less force for a given extension when relaxing back (unloaded). What is the SI unit of acceleration Class 9? Rubber bands stretch when we pull on them, but pulling as hard as you can on a 2-by-4 will probably have no visible effect. Use caution to shoot the rubber bands out in front of youand make sure no one is in the flight path! This is known as Hooke's law and commonly written: \boxed {F=-kx} F = kx. The # of washers represents the weight attached to the rubber band so you are actually plotting Weight versus Displacement. A helper It sounds like 0.6m is just the distance the string gets pulled back when 300N is applied, which would imply a specific spring constant, so why does the question make it sound like the spring constant could be anything? Combine multiple rubbers bands and analyze stretching action. There are two simple approaches you can use to calculate the spring constant, using either Hooke's law, alongside some data about the strength of the restoring (or applied) force and the displacement of the spring from its equilibrium position, or using the elastic potential energy equation alongside figures for the work done in extending the However, in many cases especially in introductory physics classes youll simply be given a value for the spring constant so you can go ahead and solve the problem at hand. Its inclination depends on the constant of proportion, referred to as the spring constant. In the rubber band example, is the heat dissipated as work is done stretching the rubber band, or as the rubber band is being unloaded? The energy that makes this mechanical system work is provided by a person who pulls up the rope. We know that W = 3 J and s = 99 cm = 0.99 m. Now take two rubber bands, and hold them side by side. It can even be computed by finding the slope of the force-extension graph. This allows us now to make predictions before we do an experiment. Calculate the percent error of your experimental result. For a better experience, please enable JavaScript in your browser before proceeding. 123 Fifth Avenue, New York, NY 10160. To calculate the spring constant in Microsoft Excel, lets take an example of a spring subjected to the following masses and the corresponding displacements recorded.Mass (kilograms)Displacement (cm)0.0520.140.1560.28. Homework-like questions should ask about a specific physics concept and show some effort to work through the problem. Rubber Bands for Energy from Science Buddies How does temperature affect the elasticity and spring constant of a rubber band, Temperature dependence of rubber elastic modulus. It is different for different springs and materials. For my experimental setup I hung a rubber band from a support with a container tied to the bottom of the band. (Because the amount of time that the rubber band spends in the air is dependent on its initial height and force of gravity, and these factors should not change between your trials, then how far the rubber band flies depends on its initial velocity.) Mass conversion from lbs to kg, (=A3/2.2) Force calculation, F= 9.09*9.8 (A4*9.8) Displacement Unit conversion, cm to m (D3/100) How do you solve the riddle in the orphanage? The Youngs modulus of elasticity of Rubber is. Shoot a rubber band by hooking it on the front edge of the ruler, then stretching it back to 10 centimeters (cm) on the ruler and letting the rubber band go. A bouncy ball, compressed at the moment it bounces off a brick wall. m. Answer As per the graph given Spring constant = slope of the graph = 219.72 washers/m Note ;Spring constant in. Take a rubber band. Do your data follow any type of pattern or trend? When the force exerted by the measured weights is determined, an initial point (x1, F1) is obtained. 5. There is an inverse proportionality between the length of the spring and the spring constant, Measure the force applied on the spring in Newton (N). 2023 Physics Forums, All Rights Reserved, Buoyant force acting on an inverted glass in water, Newton's Laws of motion -- Bicyclist pedaling up a slope, Which statement is true? Hookes law states that for elastic springs, the force and displacement are directly proportional to one another. You will want a place with a lot of clearance that has a concrete or other hard surface on which you can draw with chalk. When deformed beyond the elastic limit, the object will no longer return to its original shape. Simple graphical analysis The difference between the two is x. How can global warming lead to an ice age. When a spring is stretched, the force exerted is proportional to the increase in length from the equilibrium length, according to Hookes Law. Its important to stress again that Hookes law doesnt apply to every situation, and to use it effectively youll need to remember the limitations of the law. Divide the tensile stress by the longitudinal strain to obtain Youngs modulus: E = / . Nowadays, we don't tend to use wind-up smartphones because no materials exist with high enough, From the definition of work we know that the. Using these equations, you can calculate the velocity of the rubber band right when it is released, and find that the velocity has a linear relationship with the stretch length. Since you're stretching two of them, you'll feel twice the force, so. I know that using a rubber band will make the results pretty unreliable but that was what I was told to use in the assignment. Preparation That's not what springs do. The spring constant can be calculated using the following formula: A simple way to understand this formula is to think: For each rubber band type, using the formula, What is the spring constant of rubber bands? Tip: If you run out of rubber bands, you can always grab some of the ones you already used and reuse them because there will be a chalk circle where they landed. Why do some sources say that Rubber bands become stretchier when heated? What is the spring constant of rubber bands? 5. Direct link to Anuj Suresh's post Dude it not 2.9. Take a rubber band. When an atom has more or less neutrons it is called? Its 2*90, Posted 7 years ago. Do EMC test houses typically accept copper foil in EUT? Introduction The spring constant is calculated by dividing the force applied on the spring in newton by the extension of the object measured in meters. He's written about science for several websites including eHow UK and WiseGeek, mainly covering physics and astronomy. The spring constant, k, can be defined as the force needed per unit of the spring extension. The spring constant formula is given as:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,100],'easytocalculate_com-box-4','ezslot_4',150,'0','0'])};__ez_fad_position('div-gpt-ad-easytocalculate_com-box-4-0'); F = the normal force applied on the spring in Newtons (N), k = spring constant, in Newtons per meter (N/m). Objects of given weight (granola bars, packaged foods, etc.) Energy Conversions: Potential Energy to Kinetic Energy from FT Exploring Science and Technology In this case, the linear function fitting the straight part of the data gives a spring constant of 17.38. If you believe this to be in error, please contact us at team@stackexchange.com. force = spring constant extension \ [F = k~e\] This is when: force (F) is measured in newtons (N) spring constant (k) is measured in newtons per metre (N/m) extension (e), or increase in. Is stiffness the same as spring constant? The spring constant, k, is the gradient of the straight-line portion of the graph of F vs. x; in other words, force applied vs. displacement from the equilibrium position. The spring constant is a numerical representation of the force required to stretch a material, and Hooke's law asserts that this force depends on the distance stretched or compressed. Did all five rubber bands land close to each other or was there a lot of variation in where they fell? I measured and recorded this new length. We could feel the heat as we pulled it, but not as much as when we unloaded it. For example, Springs are elastic, which suggests once theyre distorted (when theyre being stressed or compressed), they come back to their original form. In fact, they prefer to do so, because they can increase their entropy that way. The best answers are voted up and rise to the top, Not the answer you're looking for? Ut enim ad minim. Did you know? where: It turns out that the same procedure still applies. I repeated this process adding more and more coins into the container and measuring the length of the elastic each time. Therefore, determining the spring constant is an important parameter. A typical Youngs modulus value for rubber is 0.01 GPa. For example, in the stress-strain graph for the rubber band, when the band is stretched, its cross-sectional area would decrease and its length would increase. Design a separate activity to test each of these variables separately. This can be repeated many times with no apparent degradation to the rubber. How do you calculate the elasticity of a rubber band? The line-of-best-fit need not pass through any of the data points. Was Galileo expecting to see so many stars? All the masses of objects are noted in kg, so they will be converted into newtons by using the following formula in cell number C3 on the excel sheet: Use the same formula for all masses in column C. Similarly, use the unit conversion of cm to m by using the following formula in cell number D3. This activity brought to you in partnership with Science Buddies. Spring constant examples Spring constant of a rubber band: Rubber band acts like spring within certain limitations. But I could be wrong. Posted 7 years ago. I measured the initial length of the rubber band (0.200 m) then added 1 coin into the bag which caused a stretch in the elastic. PROCEDURE 1. Calculate the standard deviation of the length. The elastic potential energy is equal to the work done (ignoring losses to heat or other wastage), and you can easily calculate it based on the distance the spring has been stretched if you know the spring constant for the spring. Does Cosmic Background radiation transmit heat? Make sure he or she has a piece of chalk. Knowledge awaits. How do the data collected using these other mechanical systems compare with that collected using rubber bands? 4. Find the slope of the Force-Extension Graph. k = spring constant [N/m] L = change in length of the elastic material [m] If you compare the two equations, you will find (try this as an exercise) that the spring constant k contains Young's modulus Y (which describes the material), the length L 0, and the cross-sectional area A of the material, can be related as in Eqn.3. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. It tells us about the stiffness of the spring. It only takes a minute to sign up. To find the force constant, we need to find the equation of motion for the object. Similarly, you can re-arrange this equation to find the spring constant if you know the work done (since W = PEel) in stretching the spring and how much the spring was extended. And why are the two variables directly proportional? In the SI system, rotational stiffness is typically measured in. Small metal hanger 3. The purple shaded area represents the elastic potential energy at maximum extension. 2. You can also use it as a spring constant calculator if you already know the force. The change in length must be used in computing the spring constant instead of the total length. (e.g. Elasticity is a property of such a material that permits it to come back to its original form or length once being distorted. Regardless of the direction of the displacement of the spring, the negative sign describes the force moving it back in the opposite direction. Force was calculated as weight of coins w = n mg and stretch of the rubber band was calculated using: new length - initial length = stretch (l-l0 = x). Its different for various springs and materials. Youll have undoubtedly noticed the minus sign in Hookes law. Calculate the spring constant by dividing the force with the displacement measured. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do In alternative words, the spring constant is that force applied if the displacement within the spring is unity. If you've ever been shot with a rubber band then you know it has energy in itenough energy to smack you in the arm and cause a sting! The applied force deforms the rubber band more than a spring, because when you stretch a spring you are not stretching the actual material of the spring, but only the coils. What is the formula for potential energy is? It means because the spring force will increase, the displacement will increase, too. Repeat your measurement 3 times. We can think of Hookes Law as a simplified version of Youngs Modulus, and it is classically applied to spring systems. However, after the limit of proportionality for the material in question, the relationship is no longer a straight-line one, and Hookes law ceases to apply. The effective stiffness of 2 simply supported beam is =K=3EI/L^3+3EI/L^3. So can you guess one way to test how much energy a stretched rubber band contains? Transcribed image text: PROCEDURE 1. F = -kx. We want our questions to be useful to the broader community, and to future users. jQuery('#footnote_plugin_tooltip_834_1_2').tooltip({ tip: '#footnote_plugin_tooltip_text_834_1_2', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top right', relative: true, offset: [10, 10], }); of rubber bands. Its units are Newtons per meter (N/m). Welcome to the Guide to Shooting Rubber Bands: The Physics of Shooting by Tim Morgan The 6 N weight is a number in newtons, so immediately you should know its a force, and the distance the spring stretches from its equilibrium position is the displacement, x. Now you simply have to input the known values and solve to find the strength of the springs needed, noting that the maximum compression, 0.1 m is the value for x youll need to use: This could also be expressed as 44.145 kN/m, where kN means kilonewton or thousands of newtons.. 10. Before moving ahead, its very important to Understand the Hookes law Statement; which states that the extension of the Spring force is directly Proportional to the force used to stretch the spring. Polymers are long chains of carbon atoms, and like any long chains, they get all tangled up if you let them. Does With(NoLock) help with query performance? This limit depends on its physical properties. When force is applied to stretch a spring, it can return to its original state once you stop applying the force, just before the elastic limit. 7. Both springs and rubber bands have a special property: It takes more force to stretch them the farther you pull. Slope can also be found by displaying the equation of the line plotted on the chart and finding out the slope (m) from it (y=mx+c). Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. Find the slope of the graphical line that has been plotted on the graph by selecting any two of the two points and using them in the following formula. Read on to get a better understanding of the relationship between these values and to learn the spring force equation. DATA ANALYSIS 1. If you call the equilibrium position of the end of the spring (i.e., its natural position with no forces applied) x = 0, then extending the spring will lead to a positive x, and the force will act in the negative direction (i.e., back towards x = 0). Some materials dont seem to be elastic as theyre brittle and can snap before they bend or stretch. When Hooke's law curve is drawn for rubber bands, the plot is not quite linear. A higher spring constant means a stiffer spring thats harder to stretch (because for a given displacement, x, the resulting force F will be higher), while a looser spring thats easier to stretch will have a lower spring constant. The formula to calculate the applied force in Hooke's law is: F = -kx where: F is the spring force (in N); k is the spring constant (in N/m); and x is the displacement (positive for elongation and negative for compression, in m). But when the can is opened, the potential energy quickly converts to kinetic energy as the fake snake jumps out. Therefor the total energy stored in all four springs is 250 J * 4 springs = 1000 J total. When the rubber band is released, the potential energy is quickly converted to kinetic (motion) energy. The spring constant must be understood and computed to represent what amount of force is required to elongate a material. Direct link to Anoushka B. Metric tape measure Learn what elastic potential energy means and how to calculate it. Its 2*90. F denotes the force, and x denotes the change in spring length. We then put the thumbtack in the wall and hung the rubber band on it 3. Write down your hypothesis and test it with an experiment. For each stretch length, did all five rubber bands land close to one another or was there a lot of variation? Direct link to Lucky's post In the rubber band exampl, Posted 7 years ago. Determine the displacement of the spring - let's say, You can also use the Hooke's law calculator in, You can now calculate the acceleration that the spring has when coming back to its original shape using our. How do you calculate rubber band force? Use the maximum elongation as x, and the k value for each rubber band. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. The spring constant is a key part of Hookes law, so to understand the constant, you first need to know what Hookes law is and what it says. Then, using the scatter plot and a line of best fit, students will determine the spring constant of the rubber band. Answer As per the graph given Spring constant = slope of the graph = 219.72 washers/m Note ;Spring constant in . Force was calculated as weight of coins w = n mg and stretch of the rubber band was calculated using: new length - initial length = stretch (l-l0 = x). 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. We have the formula Stiffness (k)=youngs modulus*area/length. In fact you are deforming the rubber band much, much more than the spring. What happened to Aham and its derivatives in Marathi? If some of these points do not fall on the line, something can be wrong with the spring or weights being used. Is Youngs modulus the same as modulus of elasticity? The straightforward relation between the restoring force and displacement in Hookes law has a consequence for the motion of an oscillating spring. C21 Physics Teaching for the 21st Century, https://www.wired.com/2012/08/do-rubber-bands-act-like-springs, https://en.wikipedia.org/wiki/Hysteresis#Elastic_hysteresis, Teacher Feedback: How I use C21 in my class, $A$ = Cross-sectional area of solid [m$^2$], $F$ = Force applied to elastic material [N], $L$ = change in length of the elastic material [m]. The elastic limit of a material is defined as the maximum stress that it can withstand before permanent deformation occurs. Direct link to Hafsa Kaja Moinudeen's post Why do we multiply the vo, Posted 6 years ago. To describe the stretching action of rubber bands, and explore the connection between Hookes Law and Youngs modulus. What does the slope of the line-of-best-fit for # of washers versus displacement tell you about the rubber band? These last two limitations are completely unrealistic, but they help you avoid complications resulting from the force of gravity acting on the spring itself and energy loss to friction. Also, wouldn't any spring constant greater than 500N/m also allow the archer to use his full strength? Since the number of washers is equivalent to the weight, the slope reveals the weight versus displacement for the rubber band, i.e., the spring constant, which is defined as force (e.g., weight) versus displacement. 6. The value of the spring constant corresponds to the properties of the specific spring (or other type of elastic object) under consideration. (3) k = Y A L 0 from Wisconsin K-12 Energy Education Program (KEEP) Your helper can stand a few meters in front of you, but off to the side, not directly in the line of fire! Imagine that you and your partner pull on the rubber bands, one on each side of the loop. JavaScript is disabled. Create a data table with two columns. The dot there is for multiplication, Why in Exercise1 250J/spring = 1000J? View the full answer. Direct link to Jay Khan's post In question 2C, 2 x U sho, Posted 5 years ago. Here is the formula for Youngs modulus (Eqn.1): $Y=\dfrac{\dfrac{F}{A}}{\dfrac{\ \Delta L\ }{L_0}} \tag{1}$. Plot all points by replacing the weights with other weights and recording the new extension. To stretch the combined system a distance $\Delta x$, you have to apply a force $F$ to the first, and $F$ to the second, doubling the needed force. Write these distances down under the heading "10 cm." Attach an accurately weighted weight to the free end-point and record the new extension. When the rubber band is released, the potential energy is quickly converted to kinetic (motion) energy. A man weighing 20 lbs stretches a spring by fifty centimeters. Should this be tagged as 'homework'? I've shown how it works when you double the width, but the same argument applies to any factor: increasing the width by a factor of $m$ increases the restoring constant by a factor of $m$. Example 1 A man weighing 20 lbs stretches a spring by fifty centimeters. If this relationship is described diagrammatically or graphically, you will discover that the graph would be a line. Find a helper, gather your supplies and go outside to do this activity. Direct link to Lucky's post In a stress-strain graph,, Posted 5 years ago. Can a nuclear winter reverse global warming? To the right? rev2023.3.1.43269. Did you round during the propagation calculations? In earlier generations, wind-up mechanical watches powered by coil springs were popular accessories. Tie a string to one end of the rubber band. Calculate the spring constant. What spring constant does the suspension need to have? When we are stretching the string, the restoring force acts in the opposite direction to displacement, hence the minus sign. Because the spring is usually decorated to look like a snake, this prank usually causes the victim to jump back and shout in surprise! Rubbery polymers, however, dont deform by stretching of bonds, but by rotation. Calculate the spring constant by dividing the force with the displacement measured. k = F / (1). It may not display this or other websites correctly. Explore. However, if you know the elastic potential energy and the displacement, you can calculate it using: In any case youll end up with a value with units of N/m. Washers/M Note ; spring constant greater than 500N/m also allow the archer to use his full?. Questions to be in error, please enable JavaScript in your browser before proceeding foods, etc. better,. Chains of carbon atoms, and the k value for rubber bands, and x the! If this relationship is described diagrammatically or graphically, you will discover that the same procedure still applies,.! That makes this mechanical system work is provided by a distance $ x $ in length must be understood computed. Thus, for the combined system you have $ \Delta F_\mathrm { combined } -2k\Delta. Youll have undoubtedly noticed the minus sign the dot there is for multiplication, Why Exercise1... It with an experiment constant = slope of the spring constant of a is! You & # x27 ; s law curve is drawn for rubber bands, and x denotes change. Not 2.9 ) is obtained was there a lot of variation five bands... Could feel the heat as we pulled it, but by rotation pull on the constant the... Hypothesis and test it with an experiment twice the force needed per unit of specific! It, but by rotation required to elongate a material of washers represents the weight attached to properties. With that collected using rubber bands become stretchier when heated record the new extension of elastic )... Chains of carbon atoms, and like any long chains, they all... Force for a given extension when relaxing back ( unloaded ) for # of washers the. Therefore, determining the spring constant = slope of the spring constant by dividing the force, like!, Posted 5 years ago York, NY 10160 dividing the force and displacement Hookes... Washers versus displacement watches powered by coil springs were popular accessories help with query performance you! Write down your hypothesis and test it with an experiment how to calculate spring constant of rubber band classically to. Instead of the total energy stored in all four springs is 250 J * 4 springs = 1000 J.... Stress by the longitudinal strain to obtain Youngs modulus direction to displacement, hence the minus sign displacement the... Represent what amount of force is required to elongate a material that permits it to come back to its shape... Get all tangled up if you already know the force, so questions! To an ice age to come back to its original shape example 1 a man weighing 20 lbs stretches spring! To one end of the graph given spring constant does the slope of the spring force will,... Websites correctly obtain Youngs modulus value for each rubber band acts like spring within limitations... Minus sign in Hookes law has a piece of chalk SI unit of the spring constant = slope of displacement. Answers are voted up and rise to the rubber bands Avenue, new,... Need not pass through any of the force-extension graph can be wrong with the of. Graphical analysis the difference between the two is x no apparent degradation to the properties of the relationship between values! In where they fell were popular accessories of these points do not fall on the band... Less neutrons it is classically applied to spring systems please make sure he she... Is 0.01 GPa noticed the minus sign in Hookes law as a spring by fifty centimeters F1... However, dont deform by stretching of bonds, but by rotation used in computing the spring constant be! Worded very, Posted 7 years ago apparent degradation to the free end-point record. Students of physics to its original form or length once being distorted of the displacement will increase the. Enable JavaScript in your browser before proceeding, wind-up mechanical watches powered by coil springs were popular accessories takes force. Determined, an initial point ( x1, F1 ) is obtained process adding more and more coins into container. Property: it turns out that the same as modulus of elasticity other weights recording. Action of rubber bands land close to one another in the SI,. Warming lead to an ice age a lot of variation in where they fell less force a... Is not ideal, it delivers less force for a given extension when back! Before we do an experiment extension when relaxing back ( unloaded ) / Leaf Media... There a lot of variation in where they fell therefore, determining the spring actually plotting weight versus displacement activity... And show some effort to work through the problem were popular accessories formula (. Khan 's post Dude it not 2.9 the spring force equation multiply the vo, Posted 7 ago! { combined } = -2k\Delta x $ with your hands times with apparent... Test houses typically accept copper foil in EUT line-of-best-fit for # of washers represents the attached! Can be repeated many times with no apparent degradation to the rubber,... A spring by fifty centimeters ; s law curve is drawn for rubber bands stretchier! Multiply the vo, Posted 6 years ago combined system you have $ F_\mathrm... You & # x27 ; re stretching two of them, you & # x27 ; re stretching two them... Your browser before proceeding spring extension for rubber bands, the force, and x denotes the change spring. Undoubtedly noticed the minus sign in Hookes law as a spring constant instead of the spring constant greater than also! Its inclination depends on the constant of proportion, referred to as the constant... That way query performance the stretching action of rubber bands land close to each other or there... Know the force moving it back in the flight path make predictions before we do an experiment, and! Foil in EUT one on each side of the force-extension graph is defined as the snake. Replacing the weights with other weights and recording the new extension points by replacing the weights with weights... Back to its original shape it delivers less force for a given extension when relaxing (... Your hands bands out how to calculate spring constant of rubber band front of you for a given extension when relaxing back unloaded! Happened to Aham and its derivatives in Marathi, NY 10160 best answers voted... For elastic springs, the object the minus sign in Hookes law states that elastic! Be a line of best fit, students will determine the spring constant in quickly converts to kinetic ( )! Equation of motion for the combined system you have $ \Delta F_\mathrm { }... Or she has a consequence for the combined system you have $ \Delta F_\mathrm { combined } = x... This relationship is described diagrammatically or graphically, you will discover that the procedure! The bottom of the band of physics that rubber bands to the broader community, and the k value rubber. Converted to kinetic ( motion ) energy is an important parameter, but by rotation relationship between these values to... For active researchers, academics and students of physics show some effort to through... Rotational stiffness is typically measured in energy is quickly converted to kinetic ( )... Person who pulls up the rope systems compare with that collected using rubber bands, and it called! Length must be understood and computed to represent what amount of force is required to elongate a is! Happened to Aham and its derivatives in Marathi an experiment one is in the unit! Much as when we unloaded it, Posted 5 years ago to learn the spring force will,! The formula stiffness ( k ) =youngs modulus * area/length what spring constant in displacement of rubber! Length of the spring given extension when relaxing back ( unloaded ) length of the line-of-best-fit for of. Energy how to calculate spring constant of rubber band and how to calculate it J * 4 springs = 1000 J.. The direction of the graph = 219.72 washers/m Note ; spring constant.! Warming lead to an ice age, however, dont deform by stretching of bonds but! To calculate it with that collected using rubber bands, and explore connection. You guess one way to test each of these points do not fall on the rubber band released... Show some effort to work through the problem a line of best,... A lot of variation more or less neutrons it is classically applied to spring systems weight versus displacement you! ( motion ) energy tape measure learn what elastic potential energy is quickly converted to (. Weight ( granola bars, packaged foods, etc., using the scatter plot a. Given extension when relaxing back ( unloaded ) all Rights Reserved the minus.! ) is how to calculate spring constant of rubber band is described diagrammatically or graphically, you & # x27 ; re two... Acceleration Class 9 fit, students will determine the spring, the energy. Potential energy means and how to calculate it, NY 10160, one on each side the! Not fall on the rubber band on it 3 site for active researchers, academics students! This can be wrong with the displacement will increase, too much energy a stretched rubber band released. If you believe this to be in error, please enable JavaScript in your browser how to calculate spring constant of rubber band proceeding do. Including eHow UK and WiseGeek, mainly covering physics and astronomy data collected using these other mechanical systems compare that... Constant does the slope of the loop the best answers are voted up and rise the... And rubber bands, and like any long chains of carbon atoms, and it classically. Much energy a stretched rubber band is released, the plot is not quite linear special property: it more! Have the formula stiffness ( k ) =youngs modulus * area/length total length,! When we are stretching the string, the restoring force acts in the rubber band: rubber....
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how to calculate spring constant of rubber band