hello...

im rohan

well this is the problem:

A body is moving along a straight line with a constant velocity.what is the angular velocity of the body :

1.about any point not on that line

2.about any point on that line

....................................................................................

please do explain it and give the values for 1. & 2.

thank u sir

 

Relation between linear velocity and Angular velocity of a body about any point is given by

 

  = (r x v) / I r I²

 

where v is linear velocity and r is position vector of the body w.r.t point about which we intend to find angular velocity

 

Further if the point is on the line of a velocity vector then the angle  is zero so sin = 0, implying that angular velocity vanishes so  = 0