A Wheel Starts from Rest and Spins with a Constant

question 41

Multiple Choice

A wheel starts from rest and spins with a constant angular acceleration.As time goes on the acceleration vector for a point on the rim:

• A)decreases in magnitude and becomes more nearly tangent to the rim
• B)decreases in magnitude and becomes more nearly radial
• C)increases in magnitude and becomes more nearly tangent to the rim
• D)increases in magnitude and becomes more nearly radial
• E)increases in magnitude but retains the same angle with the tangent to the rim

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Definitions:

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