A Body Is Suspended from a Spring Hanging Vertically

question 12

Multiple Choice

A body is suspended from a spring hanging vertically. The body is then pulled downward so the spring stretches. Consider the change in the elastic potential energy (EPE) of the spring and the change in gravitational potential energy (GPE) as the body is pulled down.

• A) The GPE decreases while the EPE increases.
• B) The GPE decreases but the EPE is unchanged.
• C) The EPE increases but the GPE is unchanged.
• D) The GPE increases along with the EPE.
• E) Both the GPE and the EPE decrease.

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Definitions:

Effective Annual Rate

The interest rate on an investment or loan, which is annualized by considering the effect of compounding over a given period.

Amortized Mortgage

A loan for which the principal and interest are paid down through regular payments over the loan's term, leading to full repayment by the end.

Nominal Interest Rate

The rate of interest before any adjustment for inflation; the stated or face interest rate on a loan or investment.

Sales Growth

The increase in sales over a specific period, indicating the performance and scaling efforts of a business.