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25 August, 10:07

A weightlifter is holding a 200-kg barbell at a height of 1

meter above the ground How much work is he performing?

Joules

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Answers (1)
  1. 25 August, 10:33
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    0 J

    Explanation:

    The weightlifter will have performed some work raising the mass to its current height, he is performing no work at all while holding it there.

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    The mass is not moving through some distance, so the product of force and distance is zero.
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