Home
Class 11
PHYSICS
Assertion : Power developed in circula...

Assertion : Power developed in circular motion is always zero. Reason : Work done in case of circular motion is zero.

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 assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Work done and power developed is zero in uniform circular motion only.
Promotional Banner

Topper's Solved these Questions

  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Self Evaluation Test|19 Videos

  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Graphical Questions|28 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise SET|25 Videos

  • WORK, ENERGY, POWER & COLLISION

    ERRORLESS |Exercise Assertion|30 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) : Work done in uniform circular motion is zero. Reason (R) : Force is always directed along displacement .

Assertion : The work done during a round trip is always zero. Reason : No force is required to move a body in its round trip.

Assertion uniform circular motion is uniformly accelerated motion. Reason acceleration in uniform circular motion is always towards centre.

Assertion : We can call circular motion also as simple harmonic motion. Reason : Angular velocity in uniform circular motion and angular frequency in simple harmonic motion have the same meanings.

Motion In A Plane - Circular Motion Basics

Assertion In circular motion, dot product of v and omega is always zero. Reason omega is always perpendicular to the plane of the circular motion.

Assertion: Power of a magetic force on a charged particle is always zero. Reason: Power of electric force on charged particle cannnot be zero.

Assertion: A uniform circular motion is an acceleration motion. Reason: Direction of acceleration is parallel to velocity vector.

ERRORLESS -WORK , ENERGY , POWER AND COLLISION-Assertion & Reason For AIIMS Aspirants
  1. Assertion : Water at the foot of the water fall is always at differe...

    Text Solution

    |

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

    Text Solution

    |

  3. Assertion: According to law of conservation of machainical energy chan...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Assertion : Power developed in circular motion is always zero. Rea...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. Assertion : Heavy water is used as moderator in nuclear reactor. Rea...

    Text Solution

    |

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

    Text Solution

    |

  15. Two protons are brought towards each other. Will the potential energy ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Assertion : A work done in moving a body over a closed loop is zero ...

    Text Solution

    |

  19. Assertion : Mountain roads rarely go straight up the slope. Reason ...

    Text Solution

    |

  20. Assertion : Soft steel can be made red hot by continued hammering on...

    Text Solution

    |