Two Point Masses M and M Are Separated by a Distance

question 40

Multiple Choice

Two point masses m and M are separated by a distance d. If the distance between the masses is increased to 3d, how does the gravitational force between them change?

• A)The force will be one-third as great.
• B)The force will be one-ninth as great.
• C)The force will be three times as great.
• D)The force will be nine times as great.
• E)It is impossible to determine without knowing the numerical values of m, M, and d.

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Definitions:

Negative Externalities

A situation where a third party suffers from a decision or action made by others, typically not reflected in the market price.

Positive Externalities

Benefits enjoyed by third-party individuals or the society at large, which result from an economic activity but are not reflected in the market prices.

Negative Externality

An external effect of a product or activity that imposes a negative impact on a third party or the environment.

Internalize

The process of taking into account the external effects of economic actions, such as externalities, within the decision-making process.