Assertion: A spring has potential energy , both when it is compressed or stretched.
Reason: In compressing or stretching, work is done on the spring against the restoring force.

Options

A. Both A and are true and R is correct explanation of the assertion
B. Both A and R are true but R is not the correct explanation of the assertion
C. A is true, but R is false .
D. A is false, but R is true

Answer

A

Explanation

When spring is compressed or stretched, the work is done on the spring . Due to this work , the energy gets stored in it as elastic potential energy .