a)A body of mass 64 kg sits on a smooth, horizontal surface as shown. The coefficient of static friction is equal to 0.72. Determine the magnitude of the horizontal force P needed to just cause the body to slide along the surface. answer = 452N b)If the coefficient of kinetic friction for the surfaces in Q13 above is 0.38, determine the acceleration of the body if the magnitude of P is 600 N.

a)A body of mass 64 kg sits on a smooth, horizontal surface as shown. The coefficient of static friction is equal to 0.72. Determine the magnitude of the horizontal force P needed to just cause the body to slide along the surface. answer = 452N b)If the coefficient of kinetic friction for the surfaces in Q13 above is 0.38, determine the acceleration of the body if the magnitude of P is 600 N.

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Description: a)A body of mass 64 kg sits on a smooth, horizontal surface as shown. The coefficientof static friction is equal to 0.72. Determine the magnitude of the horizontal force Pneeded to just cause the body to slide along the surface.answer = 452Nb)If the

University Physics Volume 1

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Chapter6: Applications Of Newton's Laws

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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answer = 452N

b)If the coefficient of kinetic friction for the surfaces in Q13 above is 0.38, determine
the acceleration of the body if the magnitude of P is 600 N.

answer = 5.65m/s2

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