A small metal cylinder rests on a circular turntable that is rotating at a const

Question

A small metal cylinder rests on a circular turntable that is rotating at a constant speed as illustrated in the diagram (Figure 1) . The small metal cylinder has a mass of 0.20 m kg, the coefficient of static friction between the cylinder and the turntable is 0.080, and the cylinder is located 0.15 m m from the center of the turntable. Take the magnitude of the acceleration due to gravity to be 9.81 m m/s^2. t A What minimum coefficient of static friction is required if the person on the ride is not to slide downward to the new position of the floor? Express your answer using two significant figures.

Explanation / Answer

mv2/r=mg

v=(gr)=0.343 m/s

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