refer to the following: An ore-crusher wheel consists of a
Chapter 7, Problem 54(choose chapter or problem)
refer to the following: An ore-crusher wheel consists of a heavy disk spinning on its axle. The normal (crushing) force F, in pounds, between the wheel and the inclined track is determined by,where W is the weight of the wheel, is the angle of the axis, C and A are moments of inertia, R is the radius of the wheel, l is the distance from the wheel to the pin where the axle is attached, and is the speed in rpm that the wheel is spinning. The optimum crushing force occurs when the angle is between and lOre-Crusher Wheel. Find F if the angle is W is 500 lb, is 200 rpm, and
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