Concept explainers
(a)
Change in skater’s
(a)
Explanation of Solution
Introduction:
Angular momentum is the product of moment of inertia and
Angular momentum of body spinning depends on external torque applied. So, skater must apply the external torque to change the angular momentum of it.
Conclusion:
External torque must be applied to change the skater’s angular momentum.
(b)
The change in angular velocity of the skater without changing the angular momentum.
(b)
Explanation of Solution
Introduction:
Angular velocity is rate of change of
Angular velocity of skater depends on moment of inertia. So angular velocity of skater can be changed by changing the moment of inertia.
Chapter 9 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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