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23 Nov 2019
A uniform solid disk with a mass of 22.8 kg and a radius of 0.633m is free to rotate about a frictionless axle. Forces of 90.0 and 125 N are applied to the disk, as the figure illustrates (picture has the 125 N pointing to the right, on the horizontal, from the very top edge of the circle, at 90 degrees whereas the 90 N points to the right, on the horizontal, from the very bottom edge of the circle, at 90 degrees. Taking the clockwise direction to be the negative direction, what is (a) the net torque produced by the two forces and (b) the angular acceleration of the disk?
A uniform solid disk with a mass of 22.8 kg and a radius of 0.633m is free to rotate about a frictionless axle. Forces of 90.0 and 125 N are applied to the disk, as the figure illustrates (picture has the 125 N pointing to the right, on the horizontal, from the very top edge of the circle, at 90 degrees whereas the 90 N points to the right, on the horizontal, from the very bottom edge of the circle, at 90 degrees. Taking the clockwise direction to be the negative direction, what is (a) the net torque produced by the two forces and (b) the angular acceleration of the disk?
Irving HeathcoteLv2
11 Nov 2019
