Physics for IGCSE & O level - Forces And Energy (Section 4 - No. 12)
A 100 kg block is moved a height of 10m. What is the useful work output?
9800 J
100 J
1000 J
10 J
Explanation
Work = force x distance = (mass x gravity) x distance = 100 kg * 9.8 m/s² * 10 m = 9800 J
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