The centre of mass is a point:
- AWhich is the geometric centre of a body.
- BFrom which the distances of all particles are the same.
- CWhere the whole mass of the body is supposed to be concentrated.
- DWhich is the origin of the reference frame.
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View SolutionTwo point masses $M$ each are placed at $(L, 0)$ and $(-L, 0)$. $A$ third point mass $M$ is uniformly rotating on the circle $x^2 + y^2 = L^2$. The equation of the path traced by the $COM$ of the $3$ point masses is:
$Assertion$ : The position of the centre of mass of a body depends upon the shape and size of the body.
$Reason$ : The centre of mass of a body always lies at the centre of the body.
$Reason$ : The centre of mass of a body always lies at the centre of the body.
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