alleryA girl applies a force of 50 N to push a box and the box moves 4 m in the direction of the force. How much work is done?
A100 J
B12.5 J
C54 J
D200 J
Answer & Solution
Correct answer: D. 200 J
Work = Force × displacement = 50 N × 4 m = 200 J. The force and displacement are in the same direction, so the work is positive.
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