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If the angular momentum of a system is conserved, which of the following stateme
If the angular momentum of a system is conserved, which of the following statements is true?
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Practice Questions
1 question
Q1
If the angular momentum of a system is conserved, which of the following statements is true?
Net external torque is zero
Net external force is zero
Kinetic energy is conserved
Linear momentum is conserved
Show Solution
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Angular momentum is conserved when the net external torque acting on the system is zero.
Questions & Step-by-step Solutions
1 item
Q
Q: If the angular momentum of a system is conserved, which of the following statements is true?
Solution:
Angular momentum is conserved when the net external torque acting on the system is zero.
Steps: 5
Show Steps
Step 1: Understand what angular momentum is. It is a measure of how much motion an object has when it is rotating.
Step 2: Learn about torque. Torque is a force that causes an object to rotate.
Step 3: Know that when we say 'angular momentum is conserved', it means that the total angular momentum of a system does not change over time.
Step 4: Realize that for angular momentum to be conserved, there must be no net external torque acting on the system.
Step 5: Conclude that if the net external torque is zero, then the angular momentum remains constant.
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