A2 kg block is lifted vertically 2 m by a man what is work done by the man?

Work done, W = 39.2 J

Explanation:

It is given that,

Mass of the block, m = 2 kg

The block is lifted vertically 2 m by the man i.e the distance covered by the block is, h = 2 m. The man is doing work against the gravity. It is given by :

Where

g is acceleration due to gravity

W = 39.2 J

So, the work done by the man is 39.2 J. Hence, this is the required solution.

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+15-35=-20

going in opposite directions