CAIE A Level Mathematics 9709 · Newton's laws of motion

Newton's laws of motion: calculation question

4 marksChallenge

A body of mass 2 kg is pulled up a rough plane inclined at 30° to the horizontal by a force of 40 N acting parallel to the plane. The friction force acting on the body is 10 N. Find the acceleration of the body, in m/s2^{2}. (Take g = 10 m/s2^{2}.)

  1. (a)

    Calculate the acceleration.

    [4]

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