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A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?
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A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

User Syed Imty
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1 Answer

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He does no work until the block starts to move ... an unlikely event.

If it ever does move, then the work he does is

(1300) x (the distance the block moves, in meters) .

The unit is 'joules.
User Jennifer Jolie
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