A Child Sits on a Swing Supported by Ropes of Length

question 10

Multiple Choice

A child sits on a swing supported by ropes of length 2.0 m.With what frequency will she need to apply the driving force to maintain swinging?

• A)0.35 Hz
• B)0.70 Hz
• C)1.7 Hz
• D)2.8 Hz
• E)5.4 Hz

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Definitions:

Aggregate

A total or combined amount, level, or sum of different components, often used in economics to describe collective economic indicators.

Equilibrium

A state in a market where supply equals demand, and there are no external forces prompting change.

Farmland

Land used for farming and agricultural production.

Economic Rent

Extra income earned by a factor of production due to its scarcity or unique qualities, above what is necessary to bring it into use.