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Asked by David Cameron

A 8kg mass rests on an inclined plane. If the limiting frictional force of 50N and g=10m/s2, then the angle of inclination of the plane is?
6 years ago

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Answered by henry2,
M*g = 8 * 10 = 80 N.

Fp = 80*sin A = Force parallel with the incline.

Fp - Fs = M*a,
80*sinA - 50 = 8 * 0,
80*sinA - 50 = 0,
A = 38.7 deg.

Fs = Force of static friction.
6 years ago

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