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What is pure rotational point? If an object performs rolling motion then, is "centre of mass" pure rotation point?

What is pure rotational point? If an object performs rolling motion then, is "centre of mass" pure rotation point?

Grade:11

2 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
7 years ago
If a rigid body is in pure rotation that means translation part is zero

That means COM is not undergoing motion in x or y direction.

That means COM will be fixed. And body will be rotating abt COM

Thanks
Manav
17 Points
7 years ago
@NishantVohra if the body performs both translation and rotation motion (body isn`t hinged), then can we say that the COM is the pure rotation point?

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