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Calculate the moment of inertia of a bicycle wheel 66.7 cm in diameter. the rim and tire have a combined mass of 1.25 kg. the mass of the hub can be ignored since it distance from the axis of rotation is so small.

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Moment of inertia of the wheel= 0.139 kg m²

Explanation;

diameter of wheel=66.7 cm=0.667 m

radius=d/2 =0.667/2=0.3335 m

The moment of inertia of a wheel is given by

i= m r²

m= mass of the wheel=1.25 kg

r= radius of wheel=0.3335 m

i= 1.25 (0.3335)²

i=0.139 kg m²

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