A Merry-Go-Round Spins Freely When Janice Moves Quickly to the Center

question 45

Multiple Choice

A merry-go-round spins freely when Janice moves quickly to the center along a radius of the merry-go-round. It is true to say that

• A) the moment of inertia of the system decreases and the angular speed increases.
• B) the moment of inertia of the system decreases and the angular speed decreases.
• C) the moment of inertia of the system decreases and the angular speed remains the same.
• D) the moment of inertia of the system increases and the angular speed increases.
• E) the moment of inertia of the system increases and the angular speed decreases.

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Definitions:

Radical Social Movement

A type of social movement aiming for fundamental changes in society, often challenging existing power structures and norms.

Regressive

Term describing resistance to particular social changes, efforts to maintain the status quo, or attempts to reestablish an earlier form of social order.

Technological Determinism

The theory that society's technology drives the development of its social structures and cultural values.

Steam Engine

A heat engine that performs mechanical work using steam as its working fluid, playing a crucial role in the Industrial Revolution by powering factories, trains, and ships.