What is the work done by the spring force when the block moves from x = 0 to x = -A? - 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 = 0 to x = -A?

A. -½kA²
B. +½kA²
C. Zero
D. -kA²