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Physics please check

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A uniform solid disk with a mass of 32.3 kg and a radius of 0.414 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk.

(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?

Net torque= moment of inertia x angular acceleration

Moment of inertia = 0.5(32.3kg)(0.41m)^2
Moment of inertia = 2.76805

I am unsure how to find the angular acceleration to calculate the net torque.


The net torque is the sum of torques.
Torque is force x radial distance, if the force is applied to the outside of the disk, radial distance is radius. In this case you have two forces (torques) to add.

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