* (1) A person is dragging a 15kg box along the ground by a rope 30° to the horizontal with a force of 58N, at a constant velocity. a) Draw the free - body diagram. b) Determine the normal force. c) Determine the frictional force. d) Determine the coefficient of friction. llou moving with a

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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!