Determine the acceleration of the center of mass of a uniform solid disk rolling

Question

Determine the acceleration of the center of mass of a uniform solid disk rolling down an incline making angle theta with the horizontal. (Use any variable or symbol stated above along with the following as necessary: g for the acceleration of gravity.) adisk = Compare the acceleration found in part with that of a uniform hoop. (Use any variable or symbol stated above along with the following as necessary: g for the acceleration of gravity.) a=hoop What is the minimum coefficient of friction required to maintain pure rolling motion for the disk? (Use any variable or symbol stated above along with the following as necessary : g for the acceleration of gravity.) mu=

Explanation / Answer

disk = (1/1.5)g x sin(theta) hoop= (1/2)g x sin(theta)

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