Physicseasy · Past Paper
If a stone of 1 kg is lifted to a height of 1 m, the work done is approximately:
A1 J
B9.8 J
C100 J
D0.1 J
✓ Correct Answer: B — 9.8 J
Work = mgh = 1 * 9.8 * 1 = 9.8 Joules.
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