Earth Pulls on the Moon

question 9

Multiple Choice

Earth pulls on the moon.Similarly the moon pulls on Earth,evidence that

• A)these two pulls comprise an action-reaction pair.
• B)Earth is larger so its pull is larger.
• C)the moon is smaller so its pull is smaller.
• D)larger objects pull harder.

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Definitions:

Social Welfare Function

A theoretical framework in economics that represents preferences over social states or outcomes, aiming to aggregate individual utilities into a measure of collective welfare.

Pareto Optimum

A distribution of resources in which it is not feasible to rearrange in a way that improves one person's situation without detrimentally affecting at least another individual's standing.

Utility Possibilities Frontier

A graph that shows the maximum amount of utility that can be achieved by different individuals or groups from a fixed set of resources.

Production Possibilities

A curve or frontier that illustrates the maximum feasible amounts of two commodities that can be produced with available resources and technology.