Posted by anonymous on Saturday, October 15, 2011 at 9:17am.
The sum of the three force vectors must be zero since there is no acceleration.
The third force will be the equilibrant (which is minus the resultant) of the first two.
Since the first two forces are perpendicular, the equilibrant magnitude is given by the Pythagorean theorem. It is 6.67 N
When you push a 1.70 kg book resting on a tabletop it takes 2.60 N to start the book sliding. Once it is sliding, however, it takes only 1.50 N to keep the book moving with constant speed. What are the coefficients of static and kinetic friction between the book and the tabletop?
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