Home
Class 11
PHYSICS
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 be zero",),((D),"Velocity of an individual particle of the system",(s),"May be constant",):}`

Text Solution

Verified by Experts

The correct Answer is:
A -q, B-r, C`r`r,D`rightarrow`s
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CENTRE OF MASS

    DC PANDEY|Exercise Medical entrances gallery|27 Videos

  • CENTRE OF MASS

    DC PANDEY|Exercise Assertion and reason|21 Videos

  • CALORIMETRY AND HEAT TRANSFER

    DC PANDEY|Exercise Medical entrance s gallery|38 Videos

  • CENTRE OF MASS, IMPULSE AND MOMENTUM

    DC PANDEY|Exercise Comprehension type questions|15 Videos

Similar Questions

Explore conceptually related problems

Velocity Of Centre Of Mass Of System

A particle of mass 1 kg has velocity vec(v)_(1) = (2t)hat(i) and another particle of mass 2 kg has velocity vec(v)_(2) = (t^(2))hat(j) {:(,"Column I",,"Column II",),((A),"Netforce on centre of mass at 2 s",(p),(20)/(9) unit,),((B),"Velocity of centre of mass at 2 s",(q),sqrt68 " unit",),((C ),"Displacement of centre of mass in 2s",(r ),(sqrt80)/(3) "unit",),(,,(s),"None",):}

Knowledge Check

  • If net force on a system of particles is zero, then match the following columns

    A
    B
    C
    D

  • If the net external forces acting on the system oif particles is zero, then which of the following may vary?

    A
    Momentum of the system
    B
    Velocity of center of mass
    C
    Position of center of mass
    D
    None of the above

  • If the net external force acting on a system is zero, then the centre of mass?

    A
    must not move
    B
    must not accelerate
    C
    may move
    D
    may accelerate

    • Similar Questions

    Explore conceptually related problems

    The centre of mass of a system of particles is at the origin. It follows that

    Centre of mass of system of particle and continuous bodies

    Questions on centre of mass of system of particle and bodies

    A balloon rises up with constant net acceleration of 10 m//s^(2) . After 2 s a particle drops from the balloon. After further 2 s match the following : ("Take" g=10 m//s^(2)) {:(,"Column I",,,"Column II"),((A),"Height of perticle from ground",,(p),"Zero"),((B),"Speed of particle",,(q),10 SI "units"),((C),"Displacement of Particle",,(r),40 SI "units"),((D),"Acceleration of particle",,(s),20 SI "units"):}

    In a two block system in figure match the following. {:("Column1","Column2"),("A Velocity of center of mass","P Keep on changing all the time"),("B Momentum of center of mass","Q First decreases then become zero"),("C Momentum of 1kg block","R Zero"),("D Kinetic energy of 2kg block","S Constant"):}

    Home
    Profile