Q. 14.5( 2 Votes )

When a coil spring is compressed, the work is done on the spring. The elastic potential energy :
A. increases

B. decreases

C. disappears

D. remains unchanged

Answer :

Work done by a coil spring is given by,


Where k is the spring constant/stiffness


X is the extension or compression produced


This work done is stored in spring as elastic potential energy (PE) when the spring is compressed and hence elastic potential energy decreases.

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