5. A child holds a sled at rest on a frictionless, snow covered hill. If the sled weighs 77.ON. Find the force exerted by the rope on the sled and the magnitude of the normal force. 6. A box starting from rest slides down from the top of a frictionless plane which is 3m long and inclined 30° with the horizontal. (a) find the velocity of the box as it reaches the foot of the plane (b) how long does it take the box to reach the bottom

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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: