# physics

A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity

1. 👍 0
2. 👎 0
3. 👁 811
1. Answer of the question

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2. 👎 0
2. Work done= force x displacement.
W = f x s
W = (50 x 10) x 3
W = 1500J

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2. 👎 1

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