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If net force on a system of particles is...

If net force on a system of particles is zero. Then
`{:(,"Column I",,"Column II",),((A),"Acceleration of centre of mass",(p),"Constant",),((B),"Velocity of centre of mass",(q),"Zero",),((C ),"Momentum of centre of mass",(r ),"May br zero",),((D),"Velocity of an individual particle of the system",(s),"May be constant",):}`

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The correct Answer is:
(A) `rarr` q; (B) `rarr` p,r; (C ) `rarr` p,r; (D) `rarr` r,s
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ALLEN -CENTRE OF MASS-EXERCISE-III
  1. Two blocks A and B of mass m and 2m respectively are connected by a ma...

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  2. In each situation of column-I, a system involving two bodies is given....

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  3. If net force on a system of particles is zero. Then {:(,"Column I",,...

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  4. {:(,"Column I",,"Column II",),((A),"Elastic collision",(p),KE " is con...

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  5. Assertion : In case of bullet fired from gun, the ratio of kinetic e...

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  6. Statement -1 : When a girl jumps from a boat, the boat slightly moves ...

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  7. Statement I: In a two-body collision, the momenta of the particles are...

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  8. Statement-1 : The centre of mass and centre of gravity of a body are t...

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  9. Statement-1 : A particle of mass m strikes a smooth wedge of mass M as...

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  10. Statement-1 : The coefficient of restitution is less than one for all ...

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  11. Statement I: No external force acts on a system of two spheres which u...

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  12. Statement I: If a sphere of mass mmoving with speed u undergoes a perf...

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  13. Statement I: If a ball projected up obliquely from the ground breaks u...

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  14. Comprehension # 1 If net force on a system in a particular direction...

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  15. Comprehension # 1 If net force on a system in a particular direction...

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  16. Comprehension # 1 If net force on a system in a particular direction...

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  17. Comprehension # 1 If net force on a system in a particular direction...

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  18. Comprehension # 2 When two bodies collide normally they exert equal ...

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  19. Comprehension # 2 When two bodies collide normally they exert equal ...

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  20. A ball collides at B with velocity 10m//s at 30^(@) with vertical. The...

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