A uniform disk with mass m = 8.71 kg and radius R = 1.4 m lies in the x-y plane

Question

A uniform disk with mass m = 8.71 kg and radius R = 1.4 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 310 N at the edge of the disk on the +x-axis, 2) a force 310 N at the edge of the disk on the –y-axis, and 3) a force 310 N acts at the edge of the disk at an angle ? = 36° above the –x-axis.

What is the magnitude of the torque on the disk about the z axis due to F2?

What is the magnitude of the torque on the disk about the z axis due to F3?

What is the x-component of the net torque about the z axis on the disk?

What is the y-component of the net torque about the z axis on the disk?

What is the z-component of the net torque about the z axis on the disk?

Explanation / Answer

A uniform disk with mass m = 8.71 kg and radius R = 1.4 m lies in the x-y plane

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