A block of mass 6.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the horizontal as shown in the Figure. The coefficient of static friction between the block and the wall is 0.50. Determine the value 50.0° of P that will prevent the block from moving downward? P. Consider g 10.0 m/s?. %3D a) 69.81 N, b) 82.80 N, c) 92.42 N. d) 55.20 N.

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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!