10) The 400 kg mine car is hoisted up the incline using the cable and motor M. For a short time, the force in the cable has magnitude F = 3200 t² (F in Newton, t in second). Draw the free body diagram of the car and use it to determine the acceleration of the car after 2 seconds. Neglect the rolling friction. (27.38m/s2 in the up slope direction) 2 m/s 17 15

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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!