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Is it true that when a spring is extended, potential energy is stored in spring and result in gain of mass of the spring?

Qmechanic
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Gstestso
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1 Answers1

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Yes, spring mass will increase but in very very small amount.

As per Mass energy equivalence the amount of mass gain will be(E=mc2):

m= E/C2

for example if spring have store 1 Joule of potential energy when it is extended then the increased mass will be:

m =1/299792458= 3.33564095198152e-9