Question

On a rigid segment that is undergoing angular motion, which of the following statements is true?...

On a rigid segment that is undergoing angular motion, which of the following statements is true?

A. the angular displacement of any two points on the segment would be equal

B. The linear displacement of any two points on the segment would be equal

C. The angular velocity of any two points on the segment would be different

D. The linear velocity of any two points on the segment would be equal

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Answer #1

A. correct

The angular displacement of any two points on the segment would be equal

Angular displacement of a body is the angle in radians (degrees, revolutions) through which a point revolves around a centre or line has been rotated in a specified sense about a specified axis.

on rigid body the distance between two point remains constant so every point on rigid body rotate with same angle

B) incorrect => linear displacement depends on where is point is taken

C) incorrect =>  angular velocity is also same for all point on rigid body

D) incorrect => linear velocity = r* ω for different different distance linear velocity will be defferent it depends on distance from axis  

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