A factory worker pushes a crate of mass 320kg a distance of


A factory worker pushes a crate of mass 32.0kg a distance of 4.85m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and floor is 0.26.

a- What magnitude of force must the worker apply?

b- How much work is done on the crate by this force?

c- How much work is done on the crate by friction?

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Physics: A factory worker pushes a crate of mass 320kg a distance of
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