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I1-32. Rubber Band Contraction During Heating
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I1-32. Rubber Band Contraction During Heating
Purpose
To demonstrate that rubber contracts when heated.
Equipment
Long rubber band (in refrigerator), 500g mass, stand, and heat gun.
Images
Description
A 500 gram mass hangs from a rubber band which is connected to a rigid support. Using the heat gun, apply heat to the entire length of the rubber band, causing it to contract and pull up the weight.
References
J. B. Brown, Thermodynamics of a Rubber Band, AJP 31, 397 (1963).
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See pagesi1. thermal properties of matter
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See pagesi2. transfer of heat
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See pagesi3. gases
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See pagesi4. changes of state
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See pagesi5. laws of thermodynamics
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See pagesi1. thermal properties of matter
-
See pagesi2. transfer of heat
-
See pagesi3. gases
-
See pagesi4. changes of state
-
See pagesi5. laws of thermodynamics
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Physics Lab Demos