A block is attached to the end of an ideal spring and moved from coordinate x_i to coordinate x_f.The relaxed position is at x = 0.The work done by spring is positive if:

Question

Quizplus · Accepted Answer

The work done by a spring is positive when it moves towards its relaxed position (x = 0). In option E, the spring moves from -4 cm to -2 cm, which is towards the relaxed position, resulting in positive work done.

A Block Is Attached to the End of an Ideal