For the Angular Momentum of an Object to Be Conserved

question 308

Multiple Choice

For the angular momentum of an object to be conserved (i.e., to not change) , the

• A) speed of the object must not change.
• B) object must not be acted on by an internal torque (caused, for example, by the muscles in a skater's arms).
• C) object must not be acted on by an outside torque.
• D) size of the object must not change.

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Definitions:

Chromosome 21

one of the 23 pairs of chromosomes in humans, with an abnormality in this chromosome leading to Down syndrome.

Cognitive

Relating to mental processes such as thinking, learning, memory, problem-solving, and decision-making.

Harmful

Describes something that can cause damage, injury, or negative effects on someone's health, well-being, or environment.

Aggressive

Behaving in a hostile or violent manner that is often threatening towards others.