A 290 102-n force is pulling an 900-kg refrigerator across, Ask an Expert

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A 2.90 102-N force is pulling an 90.0-kg refrigerator across a horizontal surface. The force acts at an angle of 17.0Â° 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.

______ J

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

_______J

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