A wheel of mass m and radius r is in accelerated rolling motion without slip under a steady axle torque T. If the coefficient of kinetic friction is m, the friction from the ground on the wheel is:

A wheel of mass m and radius r is in accelerated rolling motion withou

1.	A wheel of mass m and radius r is in accelerated rolling motion without slip under a steady axle torque T. If the coefficient of kinetic friction is m, the friction from the ground on the wheel is:
A.	\[\mu mg\]
B.	T/r
C.	\[320/\sqrt{3}\,\text{m/s}\]
D.	None of the above
Answer» B. T/r

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A wheel of mass m and radius r is in accelerated rolling motion without slip under a steady axle torque T. If the coefficient of kinetic friction is m, the friction from the ground on the wheel is:

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