A Ball Gains Speed While Rolling Down a Hill Due

question 6

Multiple Choice

A ball gains speed while rolling down a hill due mainly to

• A)its rotational inertia.
• B)its angular acceleration.
• C)a balanced torque.
• D)an unbalanced torque.

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Definitions:

Inelastic Demand

A situation where the demand for a product does not change significantly with a change in price.

Marginal Revenue

The rise in income achieved by selling an extra unit of a product or service.

Price Searcher

A seller that determines the selling price of its product or service based on market conditions, demand, and competition, instead of adhering to a market dictated price.

Marginal Revenue

The additional revenue that a company receives from selling one more unit of a good or service.