A Child Standing on the Edge of a Freely Spinning

question 49

Multiple Choice

A child standing on the edge of a freely spinning merry-go-round moves quickly to the center. Which one of the following statements is necessarily true concerning this event and why?

• A)The angular speed of the system decreases because the moment of inertia of the system has increased.
• B)The angular speed of the system increases because the moment of inertia of the system has increased.
• C)The angular speed of the system decreases because the moment of inertia of the system has decreased.
• D)The angular speed of the system increases because the moment of inertia of the system has decreased.
• E)The angular speed of the system remains the same because the net torque on the merry-go-round is zero N . m.

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Definitions:

Contract Interpretation

The process of determining the meaning of the terms and provisions within a contract, often involving analysis of language, context, and intent of the parties.

Standard Construction Rule

Principle in legal interpretation that mandates the use of ordinary or commonly accepted meanings of words, in the absence of specific definitions.

Mutual Assent Rule

A fundamental principle in contract law that states a contract is only formed when parties involved agree on the same terms at the same time, indicating mutual agreement.

Subjective Construction Rule

This legal principle involves interpreting contracts, statutes, or documents based on the personal understanding or intent of the parties involved, rather than an objective interpretation by outsiders.