Please help with physics?

Posted on 2015-10-05 06:59:00 in Physics by DONAL

A block of mass m = 10.5 kg rests on an inclined plane with a coefficient of static friction of ?s = 0.085 between the block and the plane. The inclined plane is L = 6.5 m long and it has a height of h = 3.6 m at its tallest point.

Part (a) What angle, ? in degrees, does the plane make with respect to the horizontal?
Part (b) What is the magnitude of the normal force, FN in newtons, that acts on the block?
Part (c) What is the component of the force of gravity along the plane, Fgx in newtons?
Part (d) Write an expression in terms of ? for the magnitude of the force due to static friction, Fs, just before the block begins to slide.
Part (e) Will the block slide?

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