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.

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Definitions:

Albinism

A genetic condition characterized by a lack of melanin pigment in the skin, hair, and eyes, leading to light coloring and increased sensitivity to the sun.

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A condition characterized by abnormally rapid breathing.

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A condition characterized by an abnormally fast heart rate, typically more than 100 beats per minute in adults.

Connective

Referring to connective tissue, which supports, binds together, and protects tissues and organs in the body.