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April 25, 2014

Homework Help: physics

Posted by wally on Thursday, January 17, 2013 at 5:33pm.

You are pushing a box up an inclined ramp. The force you exert on the box is 19ĚN up the ramp. The weight of the box is 100ĚN straight downward. The force friction exerts on the box is 8ĚN down the ramp. The normal force exerted on the box by the ramp is 50ĚN upward and at an angle, perpendicular to the ramp.

What is the magnitude of the force exerted by the box on you?

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