A toy top spins in the direction indicated in the figure below. Which way will i

Question

A toy top spins in the direction indicated in the figure below. Which way will it precess? Consider the gyroscope whose rotor is spinning in the direction indicated by the blue arrow below. If a couple (shown in red) is applied to one of the gimbals, which way will the rotor initially tilt in response? Now consider the figure with the toy top, the distance from the floor to the center of mass of the top is 2.54 cm. Its mass is 50 grams. Its moment of inertia (about the rotation axis) is 50 grams cm^2. Its rotation rate is 500 radians per second. If it is undergoing a stable precession motion, what is the precession frequency?

Explanation / Answer

13) A) counterclock wise direction

B) counterclockwise direction

C) precession frequency f = w/2*pi = 500/(2*3.142) = 79 Hz

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