Suppose a 5.00 kg box starts from rest and slides 2.50 m down a ramp. The ramp makes an angle of 30.0° with the horizontal. The coefficient of kinetic friction between the box and the ramp is µk = 0.436. Determine the work done on the box by the friction force between the box and the ramp.
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is because the force is acting in horizontal direction and from the the question we can deduce that to resolve the force acting on the box horizontally we need to use cos 
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Suppose a 5.00 kg box starts from rest and slides 2.50 m down a ramp. The ramp makes an angle of 30....
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