Homework Help: physic

Posted by Anonymous on Sunday, July 29, 2012 at 5:21pm.

A grinding wheel of radius 0.280 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75.3 N · m. Find the magnitude of the friction force.

physics - drwls, Sunday, July 29, 2012 at 6:53pm
(friction force) * (radius) = torque

Solve for the friction force, in Newtons.

75.3/0.28 = ___ N

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