An Object Moves in a Circle at Constant Speed

question 31

Multiple Choice

An object moves in a circle at constant speed.The work done by the centripetal force is zero because:

• A)the displacement for each revolution is zero
• B)the average force for each revolution is zero
• C)there is no friction
• D)the magnitude of the acceleration is zero
• E)the centripetal force is perpendicular to the velocity

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Marian Breland

A pioneering psychologist known for her work in the field of animal behavior and the development of applied behavior analysis.

Keller Breland

A psychologist known for applying principles of behaviorism to train animals, pioneering the field of applied animal psychology.

Animal Trainers

Professionals who use a variety of techniques to teach animals specific responses to specific conditions or stimuli.

Negative Reinforcement

A reinforcement procedure in which a response is followed by the removal, delay, or decrease in intensity of an unpleasant stimulus; as a result, the response becomes stronger or more likely to occur.