How Many Forces Need to Be Applied to a Body

question 80

Multiple Choice

How many forces need to be applied to a body in space to keep it moving with a constant velocity?

• A) none
• B) one force, in a direction opposite to the direction of motion
• C) two unequal forces
• D) one force, in the direction of motion

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Definitions:

Incentives

Rewards or penalties that motivate individuals to perform an action or avoid it.

Economic Analysis

A systematic approach to determining the optimal use of scarce resources, involving comparison of two or more alternatives in achieving specific objectives under the given assumptions.

Personal Benefits

Advantages or gains received personally, often in the context of employment or social welfare.

Selfish Motives

The driving force behind actions that prioritize personal gain over the welfare of others.