A man weighing 600 N climbs a vertical ladder. What is the work done by him after climbing 1.5m? ( $g = 10 m s^{- 2}$ )

900 J

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9000 J

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400 J

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4000 J

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Solution

The correct option is A 900 J
$W = m g = 600 N, h = 1.5 m, W = ?$
As, W $= m g h = 600 \times 1.5 = 900 J$
Hence, option A is correct.

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