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September 18, 2014

Homework Help: Physics HELP!

Posted by Ashley on Friday, May 25, 2012 at 5:39pm.

A block of mass 3 kg slides along a horizontal surface while a 20-N force is applied to it at an angle of 25°. If needed, use g = 10 m/s2. For a coefficient of kinetic friction of 0.3 between the block and the surface, the frictional force acting on the block is most nearly

9 N
8.5 N
15 N
6 N
12 N

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