Physicseasy · Past Paper
A boy of mass 50 kg climbs a tree 5 m high. The work done by him is (g=10):
A250 J
B500 J
C2500 J
D50 J
✓ Correct Answer: C — 2500 J
Work = mgh = 50 * 10 * 5 = 2500 J.
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