A non-zero external force acts on a systems of particles. The velocity and acceleration of the centre of mass are found to be 
and 
at an instant 
. It is possible that
a)
b)
c)
d)
A non-zero external force acts on a systems of particles. The velocity and acceleration of the centre of mass are found to be and at an instant . It is possible that
a)
b)
c)
d)
Question ID - 53862 | SaraNextGen Top Answer
A non-zero external force acts on a systems of particles. The velocity and acceleration of the centre of mass are found to be and at an instant . It is possible that
a)
b)
c)
d)
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A non-zero external force acts on a systems of particles. The velocity and acceleration of the centre of mass are found to be |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
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(b) If external force is non-zero then acceleration of centre of mass must be non-zero |
. However, at a particular instant of time velocity of centre of mass may be zero or non-zero. Hence option (b) is correct.127 votes
Answer Link
127