Question

What is the centre of mass?show its position vector

Answer 1

Answer:

centre of mass is an imaginary point of an object where whole mass of a body is concentrated

Explanation:

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Answer 2

Answer:

An extended object (made up of many objects) has a defined position vector called the center of mass. The center of mass can be thought of, loosely, as the average location of the total mass of the object.......