A man and his bicycle has a combined mass of 70 kg. Calculate the constant net propulsive force required to produce a velocity of 11 m/s in 3 s when the bicycle starts from rest. 2. A 50 kg block rests on a rough plane inclined 30° with the horizontal. The coefficient of sliding friction between block and plane is 0.25. What force P parallel to the plane is required to keep the block moving up the plane at constant velocity?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: