The Direction of the Normal Force Is Always

question 72

Multiple Choice

The direction of the normal force is always

• A)parallel to the surface of contact.
• B)perpendicular to the surface of contact.
• C)opposite the direction of the gravitational force.
• D)None are correct.

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Definitions:

Premack Principle

A principle in psychology that states that more probable behaviors will reinforce less probable behaviors.

Negative Reinforcement

The removal of a stimulus to increase the probability that a behavior will be repeated.

Positive Punishment

The addition of a stimulus to decrease the probability that a behavior will recur.

Primary Reinforcement

A term in behavioral psychology that refers to something that is naturally rewarding or satisfying, like food or water, that reinforces a behavior.