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

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.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

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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