A Merry-Go-Round Spins Freely When Diego Moves Quickly to the Center

question 10

Multiple Choice

A merry-go-round spins freely when Diego moves quickly to the center along a radius of the merry-go-round.As he does this,it is true to say that

• A)the moment of inertia of the system decreases and the angular speed increases.
• B)the moment of inertia of the system decreases and the angular speed decreases.
• C)the moment of inertia of the system decreases and the angular speed remains the same.
• D)the moment of inertia of the system increases and the angular speed increases.
• E)the moment of inertia of the system increases and the angular speed decreases.

---

Definitions:

Cognitive-behavioral Therapy

A form of psychotherapy that treats problems and boosts happiness by modifying dysfunctional emotions, behaviors, and thoughts.

Transference

In psychoanalysis, the process by which emotions and desires originally associated with one person are unconsciously shifted to another person.

Token Economy

A behavior modification method that uses tokens as a form of immediate reinforcement for exhibiting desired behaviors.

Classical Conditioning

The practice of learning through the repeated association of two stimuli; the response that is at first triggered by the second stimulus, is finally triggered by the first stimulus alone.