Homework Help: 11th grade

Posted by Anonymous on Saturday, November 27, 2010 at 9:21pm.

A 16.0 kg box is released on a 39.0° incline and accelerates down the incline at 0.267 m/s2. Find the friction force impeding its motion

physics - drwls, Saturday, November 27, 2010 at 9:25pm
Use F = m a, along the direction of motion. The net force pusing the box downhill is

M g sin39 - Ff = M a

Solve for Ff, the friction force.

Please do not put your grade level as the subject.

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