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August 1, 2015

Homework Help: Physics

Posted by LEBZA on Monday, April 2, 2012 at 4:20am.

A minimum horizontal force of 10 N is needed to keep a 500 g book in place against a wall as shown.What maximum mass of book could be supported by the 10 N force if it were directed upwards at an angle of 60 instead of at right angles to the wall?

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