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:

Inflation Rate

The rate at which the general level of prices for goods and services is rising, thereby eroding purchasing power.

Real Terms

Refers to economic indicators or values that have been adjusted for inflation, allowing for the comparison of quantities as if prices had not changed over time.

Deposits

Funds placed into an account at a financial institution for safekeeping, which may earn interest over time depending on the account type.

Coupon Bond

A type of bond that pays the holder a fixed interest rate (coupon) periodically until the maturity date, at which point the principal amount is repaid.