When Is the Angular Momentum of a System Constant

question 45

Multiple Choice

When is the angular momentum of a system constant?

• A) Only when the linear momentum and the energy are constant.
• B) Only when no net external torque acts on the system.
• C) Only when its total kinetic energy is constant.
• D) Only when no net external force acts on the system.
• E) Only when the moment of inertia is constant.

---

Definitions:

Proportion Difference

The difference in the percentage of occurrences of a certain attribute or outcome between two groups or over time.

Canadians

Refers to the people who are citizens of Canada, a country located in the northern part of North America.

Confidence Level

Confidence level represents the likelihood, expressed as a percentage, that a specified confidence interval will contain the true parameter value.

Headache Medicine

Medication intended to relieve the pain and symptoms associated with headaches.