You throw a Frisbee of mass m and radius r so that it is spinning about a horizontal axis perpendicular to the plane of the Frisbee. Ignoring air resistance, the torque exerted about its center of mass by gravity is
A. 0.
B. mgr
C. 2mgr
D. a function of the angular velocity.
E. small at first, then increasing as the Frisbee loses the torque given it by your hand.
Answers: 3
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