Asked by Anonymous

A grocery cart with a mass of 18 kg is pushed at constant speed along an aisle by a force F = 12 N. The applied force acts at a 20° angle to the horizontal. Find the work done by each of the forces on the cart if the aisle is 14 m long.

work done by the applied force

work done by the frictional force

work done by the normal force

work done by the gravitational force


Thankyou
Answered by Elizabeth
The applied force is W = Fdcos(theta).
Answered by davedude
the normal force and gravitaional force do no work, because there is no motion on the y axis
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