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1. The problem statement, all variables and given/known data

A uniform disk with a mass of 34.8 kg and a radius of 0.32 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 indicates.

What is the net torque produced by the two forces?

2. Relevant equations

Torque = rFsin(theta)

3. The attempt at a solution

I've tried using the equation above...125(0.32)sin90 - 90(0.32)sin90 = 11.2 N*m which is wrong. I know this question is trivial, but I'm pretty frustrated at this point...any help would be great.

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# Homework Help: Net torque of uniform disk

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