The box is at rest at point I when it is sliding down the incline. If the coefficient of kinetic friction between the crate and the incline is 0.30 from 1 to 2 and 0.22 from 2 to 3, detemine its speeds at points 2 and 3. 1 H. = 0.40 H = 0.30 H.= 0.28 H= 0.22 3 20° 7 m 10° 7 m

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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: