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March 31, 2015

Homework Help: Physics HELP!!

Posted by joane on Monday, October 15, 2012 at 11:10pm.

A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back cover are perpendicular to the book and are horizontal. The book weighs 29.7kg. The coefficient of static friction between his hands and the book is 0.44. To keep the book from falling, what is the magnitude of the minimum pressing force that each hand must exert?

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