A20-kg wagon accelerates on a horizontal surface at 0.50 m⁄s2 when pulled by a rope exerting a 120-n force on the wagon at an angle of 25° above the horizontal. determine the magnitude of the effective friction force exerted on the wagon and the effective coefficient of friction associated with this force.
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A20-kg wagon accelerates on a horizontal surface at 0.50 m⁄s2 when pulled by a rope exerting a 120-n...
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