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March 30, 2015

Homework Help: math

Posted by Ameen on Wednesday, December 26, 2012 at 7:38pm.

A crate weighing 400N rests on aplane inclined at an angle of 20 degrees to the horizontal. there is a force of friction of 120N acting up the ramp. Determine (i) the resultant force acting on the crate, (ii) the contact,or normal force between the ramp and the crate.

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