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The centre of mass of a body...

The centre of mass of a body

A

lies always at the geometrical centre

B

lies always inside the body

C

lies always outside the body

D

may lie within or outside the body

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Statement-1: The centre of mass of body may lie where there is no mass. Statement-2: Centre of mass of a body is a point, where the whole mass of the body is supposed to be concentrated.

    A
    Both statement-1 and 2 are true and statement-2 is the correct explanation of statement -1.
    B
    Both statement-1 and 2 are true but satatement-2 is not correct explanation of statement -1.
    C
    Statement-1 is true but statement-2 is false
    D
    Both statement 1 and 2 are false.

  • Statement-1 : The position of centre of mass of a body does not depend upon shape and size of the body. Statement-2 : Centre of mass of a body lies always at the centre of the body.

    A
    Statement-1 is True, Statement-2 is True,
    Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is True, Statement-2 is True,
    Statement-2 is NOT a correct explanation for Statement-9
    C
    Statement-1 is True, Statement-2 is False
    D
    Statement-1 is False, Statement-2 is False

  • All the particles of a body are situated at a distance R from the origin. The distance of the centre of mass of the body from the origin is

    A
    `=R`
    B
    `leR`
    C
    `gtR`
    D
    `geR`

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    Can centre of mass of a body lie where there is absolutely no mass ?

    A wheel rolls purely on ground. Find a point on the periphery of a body which has a velocity equal to the velocity of the centre of mass of the body.

    All the particles of body are situated at a distance R from the origin. The distance of the centre of mass of the body from the origin is also R. Is this statement true or false?

    Let I_(A) and I_(B) be moments of inertia of a body about two axes A and B respectively. The axis A passes through the centre of mass of the body but B does not

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