Posted by **david** on Thursday, October 28, 2010 at 11:25am.

A 280 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m.

(a) Find the work done by the pulling force.

(b) Find the work done by the kinetic frictional force.

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