Physicseasy · Past Paper
What is the work done in lifting a 5 kg object to a height of 2 m?
A10 J
B98 J
C49 J
D100 J
✓ Correct Answer: B — 98 J
W = mgh = 5 * 9.8 * 2 = 98 Joules (assuming g = 9.8 m/s^2).
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