The Radius of the Path of an Object Moving in a Circle

question 14

Multiple Choice

The radius of the path of an object moving in a circle at constant speed is halved. If the speed remains the same, the centripetal force needed is

• A) one-quarter as much as before.
• B) half as much as before.
• C) twice as much as before.
• D) four times as much as before.

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Definitions:

Tax-Deferred

Taxes are paid at the time the money is withdrawn from the account, not when the money is actually earned.

Social Security Benefits

Payments made to eligible individuals (retirees, disabled workers, and their families) from the Social Security program, funded by Social Security taxes.

Need-Based

A criteria or qualification that is determined by the applicant's financial need or income level, often used for financial aid or grants.

Mortality Rate

A measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.