A Ceiling Fan Is Turned on and Reaches an Angular

question 20

Multiple Choice

A ceiling fan is turned on and reaches an angular speed of 60 rev/min in 30 s.It is then turned off and coasts to a stop in 60 s.In the one minute of rotation,through how many revolutions did the fan turn?

• A) 90
• B) 180
• C) 900
• D) 120
• E) ​240

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Definitions:

Acceptance

The act of consenting to receive or undertake something offered, or the process of being received as adequate or suitable.

Rejection

The act of dismissing or refusing acceptance, acknowledgment, or approval, which can occur in interpersonal relationships, workplace settings, or social interactions.

Contrast Effect

A cognitive bias where the value or quality of an object is perceived differently when compared alongside other objects, significantly altering perception and judgement.

Balance Theory

A psychological theory suggesting that individuals strive for consistency and balance in their relationships and beliefs for psychological comfort.