Home
Class 12
PHYSICS
If the resultant force on a system of pa...

If the resultant force on a system of particles is non-zero, then:

A

The linear momentum of the system must increase.

B

The velocity of the centre of mass of the system must change.

C

The distance of the centre of mass may remain constant from a fixed point.

D

Kinetic energy of all particles must either increase simultaneously or decrease simultaneously.

Text Solution

Verified by Experts

NA
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    RESONANCE|Exercise FST-3|30 Videos

  • TRAVELLING WAVES

    RESONANCE|Exercise Exercise- 3 PART II|7 Videos

Similar Questions

Explore conceptually related problems

If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely say that

The sum of all the external forces on a system of particles is zero. Which of the following must be true for the system of particles ?

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",):}

If the resultant of all the external forces acting on a system of particles is zero. Then from an inertial frame, one can surely say that

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

Statement-1: If the resultant of all the forces acting on a system is zero then the torque on the system about any point is same. Statement-2: If the resultant of the forces acting on a system is zero then acceleration of its centre of mass is zero.

Assertion : Net external force acting on a system of particles is zero but it possible that kinetic energy of the system increases . Reason : Kinetic energy of the system can be changed by internal forces of the system .

The sum of all electromagnetic force between different particles of a system of charged particles is zero :

RESONANCE-TEST SERIES-PHYSICS
  1. A metallic V shaped rod OAC is rotated with respect to one of its end ...

    Text Solution

    |

  2. A conducting loop rotates with constant angular velocity about its fix...

    Text Solution

    |

  3. If the resultant force on a system of particles is non-zero, then:

    Text Solution

    |

  4. Two identical balls P and Q moving in the x-y plane collide at the ori...

    Text Solution

    |

  5. A ball of mass 1 kg is thrown up with an initial speed of 4 m//s. A se...

    Text Solution

    |

  6. A prism shaped styrofoam of density rho(styrofoam) (ltrho(water)) is ...

    Text Solution

    |

  7. A prism shaped styrofoam of density rho(styrofoam) (ltrho(water)) is h...

    Text Solution

    |

  8. A long straight wire having uniform resistance per uni length lamda (o...

    Text Solution

    |

  9. A long straight wire having uniform resistance per uni length lamda (o...

    Text Solution

    |

  10. Consider a long solenoid of radius R which has n turns per unit length...

    Text Solution

    |

  11. A particle with mass m and charge q moving with a velocity v, enters a...

    Text Solution

    |

  12. Given system is in equilibrium. All surfaces are smooth. Spring is ide...

    Text Solution

    |

  13. A cubical block of side 10sqrt(10) cm is connected to a smooth and uni...

    Text Solution

    |

  14. A masonary column of density rho has height h top cross sectional area...

    Text Solution

    |

  15. In a carburator of an engine, aire is drawn from atmosphere through se...

    Text Solution

    |

  16. A rod of length l and total charge 'q' which is uniformly distributed ...

    Text Solution

    |

  17. A uniform magnetic field vecB=0.25hatkT exists in a circular region of...

    Text Solution

    |

  18. A small block of mass m=2kg is at rest point P of the stationary wedge...

    Text Solution

    |

  19. Two particles of different masses projected from a tower with same spe...

    Text Solution

    |

  20. Two soap bubble of radius 2r and 3r are in contact with each other. If...

    Text Solution

    |