Home
Class 11
PHYSICS
Assertion: Internal forces cannot change...

Assertion: Internal forces cannot change linear momentum.
Reason: Internal forces can change the kinetic energy of a system.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If asserti on is true but reason is false

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY, POWER & COLLISION

    ERRORLESS |Exercise Assertion|30 Videos

  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Self Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

Assertion : Internal forces acting on the system cannot change linear momentum of the system . Reason : Internal forces can change kinetic energy of the system.

Choose the correct statement regarding a system of particles. Internal forces can change the kinetic energy of the system without changing system's momentum O Impulse can be defined as a very large force that acts for a very short time and causes finite change in momentum. Internal forces can change the potential energy of the system without changing system's momentum Internal forces can change the mechanical energy of the system without changing system's momentum.

The change in the internal energy of a substance

Statement-1 : Internal forces can change total linear momentum of system. Statement-2 : Due to work of internal forces kinectic energy of system may change.

In a system of particles, internal forces can change:

The linear momentum of a body can change only in the direction of applied force Comment .

ERRORLESS -WORK, ENERGY, POWER & COLLISION-Assertion
  1. Assertion: A spring has potential energy , both when it is compressed ...

    Text Solution

    |

  2. Statement-1:Comets move around the sun in elliptical orbits, the gravi...

    Text Solution

    |

  3. Assertion: Internal forces cannot change linear momentum. Reason: In...

    Text Solution

    |

  4. Assertion : Water at the foot of the water fall is always at differe...

    Text Solution

    |

  5. Assertion : The power of a pump which raises 100 kg of water in 10...

    Text Solution

    |

  6. Assertion: According to law of conservation of mechanical energy chang...

    Text Solution

    |

  7. Assertion : When the force retards the motion of a body, the work do...

    Text Solution

    |

  8. Assertion: In an elastic collision of two bodies , the momentum and en...

    Text Solution

    |

  9. Assertion : A body cannot have energy without possessing momentum but...

    Text Solution

    |

  10. Assertion : Power developed in circular motion is always zero. Reas...

    Text Solution

    |

  11. Assertion : A kinetic energy of a body is quadrupled, when its veloc...

    Text Solution

    |

  12. Assertion: A quick collision between two bodies is more violent that s...

    Text Solution

    |

  13. Assertion : Work done by or against gravitational force in moving a b...

    Text Solution

    |

  14. Assertion : When current is drawn from a cell, chemical energy is conv...

    Text Solution

    |

  15. Statement-1: Graph between potential energy of spring versus the exten...

    Text Solution

    |

  16. Heavy water is used as moderator in a nuclear reactor. The function of...

    Text Solution

    |

  17. Assertion: Mass and energy are not conserved separately, but are conse...

    Text Solution

    |

  18. Assertion(A): In bringing an electron towards a proton electrostatic p...

    Text Solution

    |

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

    Text Solution

    |

  20. Assertion: Power of machine gun is determined by body both the number ...

    Text Solution

    |