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 19意 up the ramp. The weight of the box is 100意 straight downward. The force friction exerts on the box is 8意 down the ramp. The normal force exerted on the box by the ramp is 50意 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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