February 22, 2017

Homework Help: 11th garde physics

Posted by Luricela on Saturday, February 13, 2010 at 3:32pm.

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 17 m long.
a)work done by the applied force=?
b)work done by the frictional force
c)work done by the normal force
d)work done by the gravitational force

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