February 19, 2017

Homework Help: Maths

Posted by Connie on Friday, February 17, 2017 at 4:50am.

A box weighing 20N, resting on a ramp, is kept at equilibrium by a 4-N force at an angle of 20 to the ramp, together with a frictional force of 5N, parallel to the surface of the ramp. Determine the angle of elevation of the ramp.

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