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   humafatima1992@gmail.com

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   humafatima1992@gmail.com

   2012-12-19T17:01:42+05:30Added a comment on December 19, 2012 at 5:01 pm

   Every body remains in the state of rest or in the state of motion until an equal an opposite reaction is applied on it to stop it or to start the motion in it….

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   Anonymous

   2012-12-20T08:47:11+05:30Added a comment on December 20, 2012 at 8:47 am

   A body stays at rest until or unless an external force applied to it

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