Uniform Circular Motion Video Lessons

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Problem: When a rigid object rotates about a fixed axis, what is true about all the points in the object? (Select two answers.) A) They all have the same angular speed. B) They all have the same tangential speed. C) They all have the same angular acceleration. D) They all have the same tangential acceleration.

FREE Expert Solution

Let's consider a rigid body rotating about an axis.

Every point in the rigid body will cover equal angles in equal time intervals. 

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Problem Details

When a rigid object rotates about a fixed axis, what is true about all the points in the object? (Select two answers.) 

A) They all have the same angular speed. 

B) They all have the same tangential speed. 

C) They all have the same angular acceleration. 

D) They all have the same tangential acceleration.

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