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One end of a light spring of spring cons...

One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacement, the work done by the spring is `+(1/2)kx^(2)`. The possible cases are.

A

the spring was initially stretched by a distance x and finally was in its natural length

B

the spring was initially in its natural length and finally it was compressed by a distance x

C

the spring was initially compressed by a distance x and finally was in its natural length

D

the spring was initally in its natural length and finally stretched by a distance x

Text Solution

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The correct Answer is:
A, C
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DC PANDEY-WORK, POWER AND ENERGY-B More than One Option is Correct
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