Homework Help: Physics

Posted by Anonymous on Wednesday, November 18, 2009 at 5:53pm.

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

Physics - Elizabeth, Friday, April 23, 2010 at 12:17pm
The applied force is W = Fdcos(theta).
Physics - Elizabeth, Friday, April 23, 2010 at 12:17pm
The applied force is W = Fdcos(theta).
Physics - davedude, Saturday, October 30, 2010 at 12:36pm
the normal force and gravitaional force do no work, because there is no motion on the y axis

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