A spinning top consists of a ring (which can be treated as a cylindrical shell) of mass m = 0.52 kg and a radius of 60 mm is mounted on its central pointed shaft with spokes. The spokes and pointed shaft have negligible mass meaning that their inertia can be neglected. The top has a spin velocity of 10,000 rev/min and is released on a horizontal surface with the point at O remaining at a fixed point. Assuming that the spin angular velocity is high when compared to the precession, determine the magnitude of the precession angular velocity of the top. 15° 60 mm 80 mm 10 000 rev/min 1.2 rad/sec 0.6 rad/sec 0.2 rad/sec O 2.1 rad/sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A spinning top consists of a ring (which can be treated as a cylindrical shell) of mass
m = 0.52 kg and a radius of 60 mm is mounted on its central pointed shaft with
spokes. The spokes and pointed shaft have negligible mass meaning that their inertia
can be neglected. The top has a spin velocity of 10,000 rev/min and is released on a
horizontal surface with the point at O remaining at a fixed point. Assuming that the
spin angular velocity is high when compared to the precession, determine the
magnitude of the precession angular velocity of the top.
15°
60
mm
80 mm
10000 rev/min
O 1.2 rad/sec
0.6 rad/sec
0.2 rad/sec
2.1 rad/sec
Transcribed Image Text:A spinning top consists of a ring (which can be treated as a cylindrical shell) of mass m = 0.52 kg and a radius of 60 mm is mounted on its central pointed shaft with spokes. The spokes and pointed shaft have negligible mass meaning that their inertia can be neglected. The top has a spin velocity of 10,000 rev/min and is released on a horizontal surface with the point at O remaining at a fixed point. Assuming that the spin angular velocity is high when compared to the precession, determine the magnitude of the precession angular velocity of the top. 15° 60 mm 80 mm 10000 rev/min O 1.2 rad/sec 0.6 rad/sec 0.2 rad/sec 2.1 rad/sec
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