Question
A moving railway compartment has a spring of constant k fixed to its front wall. A boy stretches this spring by distance x and in the mean time the compartment moves by a distance s. The work done by boy w.r.t. earth is
Answer: Option A
:
A
Total work done is equal to the energy stored in the spring.
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:
A
Total work done is equal to the energy stored in the spring.
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