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    SIA MANCHANDANI's Avatar
    SIA MANCHANDANI Posts: 1, Reputation: 1
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    #1

    May 12, 2012, 04:17 AM
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    All the particles of a body are situated at a distance r from the origin.the distance of centre of mass of body from origin will be-
    (a)=r
    (b)< or = r
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    ebaines Posts: 12,131, Reputation: 1307
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    #2

    May 13, 2012, 06:39 PM
    Quote Originally Posted by SIA MANCHANDANI View Post
    All the particles of a body are situated at a distance r from the origin.the distance of centre of mass of body from origin will be-
    (a)=r
    (b)< or = r
    If you try a couple of examples you should be able to get this. What if there is only one particle, located at x = r? What if there are two particles, one located at x = -r and the other at x=r? What do you conclude?
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