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A 40 kg object is pushed upwards at constant velocity for 8 m along a 30°...

A 40 kg object is pushed upwards at constant velocity for 8 m along a 30° inclined plane by the horizontal force F. The coefficient of kinetic friction between the box and the surface is 0.4. Calculate the work done by,

a. The applied force

b. The frictional force

c. The gravitational force

d. The net force

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