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18 December, 17:10

A man has a weight of 100 Newtons. How much work is done if he climbs 4meters up a ladder?

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  1. 18 December, 17:35
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    400 J

    Explanation:

    Work is done when a force that is applied to an object moves that object.

    The work is calculated by multiplying the force by the amount of movement of an object

    W = F * d

    here the man has to work against the gravitational field. (against his weight)

    F = 100 N

    Work done = F * d

    = 100 * 4

    = 400 J
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