A Stationary Merry-Go-Round of Radius 6 Feet Is Started in Motion

question 15

Multiple Choice

A stationary merry-go-round of radius 6 feet is started in motion by a push consisting of a force of 15 pounds on the outside edge, tangent to the circular edge of the merry-go-round, for 2 seconds. The moment of inertia of the merry-go-round is . Find the resulting angular velocity of the merry-go-around.

• A) 5 rad/sec
• B) 10 rad/sec
• C) 4 rad/sec
• D) 9 rad/sec

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Definitions:

Negative Reinforcement

A process in behavioral psychology where a response increases because a negative condition is removed or avoided.

Secondary Reinforcer

A type of reinforcer which does not satisfy a basic biological need but has been learned to be valuable through association with primary reinforcers.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with a meaningful stimulus.

Avoidance Conditioning

A type of learning in which an individual learns a behavior to avoid an unpleasant stimulus.