What is the work done by the spring force when the block moves from +x to -x and back to +x? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

What is the work done by the spring force when the block moves from +x to -x and back to +x?

A. +½kx²
B. -½kx²
C. Zero
D. +kx²