Instant centre of rotation

  • #1
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Homework Statement


Capture.jpg

Homework Equations


orthogonality condition: that means that the point of ICR is orthogonal to the velocity Vb and Va

The Attempt at a Solution


the solution that i found with the problem is:
The ICR of the bar is at infinity. the motion of the bar is translational.

I think that the answer is wrong because the point A is rotating, thus the the velocity of vb is not parallel to Va.
 

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Answers and Replies

  • #2
BvU
Science Advisor
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I agree with you. Only if a = 0 are the velocities parallel -- and then the bar does indeed not rotate
 
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