Two Planets in Space Gravitationally Attract Each Other

question 53

Multiple Choice

Two planets in space gravitationally attract each other. If both the masses and distances are doubled, the force between them is

• A)one-quarter.
• B)half as much.
• C)twice as much.
• D)four times as much.
• E)none of the above

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Definitions:

Economic Growth

The increase in a country's output of goods and services over time, indicated by a rise in real GDP.

Poor Countries

Nations with low levels of economic productivity, low living standards, and low levels of human development indices compared to other countries.

Capital Production

The creation of goods or services using capital goods, contributing to the productive capacity of an economy.

Production Possibilities Curve

A graphical representation showing the maximum combination of goods and services that can be produced with fixed resources and technology over a given period of time.