Statement-I : One end of ideal massless spring is connected to fixed vertical wall and other end to a block of mass m initially at rest on smooth horizontal surface. The spring is initially in natural

Question

Statement-I : One end of ideal massless spring is connected to fixed vertical wall and other end to a block of mass m initially at rest on smooth horizontal surface. The spring is initially in natural length. Now a horizontal force F acts on block as shown. Then the maximum extension in spring is equal to maximum compression in spring.

TestHub · Accepted Answer

Statement-I is false: the spring only extends; the block oscillates about the mean position between natural length and maximum extension

Statement-II is true: equal work is needed to stretch or compress a spring by the same amount

Answer (D)

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