A Ball Attached to the End of a String Is

question 58

Multiple Choice

A ball attached to the end of a string is swung around in a circular path of radius r.If the radius is doubled and the linear speed is held constant,the angular speed will

• A)remain the same.
• B)increase by a factor of 2.
• C)decrease by a factor of 2.
• D)increase by a factor of 4.
• E)decrease by a factor of 4.

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Definitions:

Marginal Productivity Theory

An economic theory proposing that labor and other input costs are based on the marginal contribution of each input to the production process.

Income Distribution

The way in which total income is shared among individuals or groups in an economy.

Production Incentives

Motivational factors or rewards designed to encourage increased productivity or output by workers or companies.

Marginal Productivity Theory

An economic theory that explains income distribution based on the productivity of the factor inputs in producing goods and services.