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:

Negative Reinforcement

A method in operant conditioning where an adverse condition is removed or avoided following a desired behavior, thereby strengthening that behavior.

Punishment

A process by which a consequence immediately follows a behavior, decreasing the likelihood of that behavior's recurrence.

Robert Rescorla

An American psychologist known for his work with Allan Wagner on the Rescorla-Wagner theory of conditioning, which emphasizes the role of cognition in classical conditioning.

Punishment of Application

The imposition of a penalty or negative consequence following an undesired behavior to decrease its likelihood in the future.