A uniform solid disk with a mass of 24.3 kg and a radius of 0.364 m is free to r

Question

A uniform solid disk with a mass of 24.3 kg and a radius of 0.364 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as the drawing illustrates.

(a) What is the net torque produced by the two forces? (Assume counterclockwise is the positive direction.)

(b) What is the angular acceleration of the disk?
rad/s2

A uniform solid disk with a mass of 24.3 kg and a radius of 0.364 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as the drawing illustrates. (a) What is the net torque produced by the two forces? (Assume counterclockwise is the positive direction.) (b) What is the angular acceleration of the disk? rad/s2

Explanation / Answer

Net torque = -125*.364 + 90*.364 = -12.74 N-m
Angular acceleration = Torque/I = -12.74*2/(24.3*.364^2) = -7.91 rad/s^2

The answer of angular acceleration given to you is I think wrong please cross check it

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