A child carries a 3N book at a constant velocity 4 meters across a horizontal floor. What is the net work done?

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asked Apr 2, 2018 12.6k views

1 Answer

SilverX · Answer 1 · 2018-04-07T20:39:26+0000

Note that 4 m (meters) has the units of distance, not velocity.

By definition,
Work = Force x Distance
Therefore if a 3 N book is carried over a distance of 4 m, the work done is
3 *3 4 = 12 J

Answer: 12 J

A child carries a 3N book at a constant velocity 4 meters across a horizontal floor. What is the net work done?

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