A 290 x 102 newton force is pulling a 90 kilogram, Ask an Expert

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A 2.90 x 10² Newton force is pulling a 90 kilogram refrigerator across a horizontal surface. The force acts at an angle of 17.0Â degree above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8 meter.

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

______ J

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

_______J

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