Home
Class 12
PHYSICS
Assertion: Frictional forces are conserv...

Assertion: Frictional forces are conservative forces.
Reason: Potential energy can be associated with frictional forces.

A

If both assertion `&` Reason are True `&` the Reason is a corrrect explanation of the Asserion.

B

If both Assertion `&` Reason are True but Reason is not correct explanation of the Assertion.

C

If Assertion is Trie but the Reason is False.

D

If both Assertion `&` Reason are false

Text Solution

Verified by Experts

The correct Answer is:
D

Friction is non conservative, PE can not be associated.
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-II|112 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

Why fractional force is a non - conservative force ?

Write the condition for conservative forces .

What is non - conservative force ?

Write a principle of non - conservative force for mechanical energy .

Give the definitions of conservative force .

Why gravitational forces or spring forces are conservative forces ?

If work is done on system by non-conservative force, then potential energy increases.

Assertion: Static frictional force is a self adjusting force. Reason: Force of static friction does not depend upon the mass of the body.

Assertion: Friction is a self-adjusting force. Reason: A block on the horizontal table is acted upon by a force F. The graph of frictional force against applied force F is.

Assertion: Frictional force is the component of contact force parallel to the surface. Reason: Friction force always opposes the motion of a body.

ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-III
  1. Assertion: The driver in a vechicle moving with a constant speed on a ...

    Text Solution

    |

  2. Assertion: Frictional forces are conservative forces. Reason: Potent...

    Text Solution

    |

  3. Assertion: A man in a dosed cabin falling freely does not experience g...

    Text Solution

    |

  4. Assertion : Angle of repose is equal to angle of limiting friction. ...

    Text Solution

    |

  5. Assertion: On a rainy day, it is difficult to drive a car or bus at h...

    Text Solution

    |

  6. Assertion: Force of friction depends on the actual area of contact. ...

    Text Solution

    |

  7. Assertion: Static frictional force is a self adjusting force. Reason...

    Text Solution

    |

  8. Assertion : A body can be at rest even when it is under the action of ...

    Text Solution

    |

  9. Assertion: Frictional force is the component of contact force parallel...

    Text Solution

    |

  10. Assertion: Newton's first law can be derived from the second law. Re...

    Text Solution

    |

  11. These questions consists of two statements each printed as Assertion a...

    Text Solution

    |

  12. Assertion: Pseudo force is an imaginary force which is recongnised on...

    Text Solution

    |

  13. Assertion: A table cloth can be pulled from a table without dislodding...

    Text Solution

    |

  14. Assertion: Friction is a self-adjusting force. Reason: A block on th...

    Text Solution

    |

  15. Assertion: The apparent weight of a person standing in a lift which mo...

    Text Solution

    |

  16. Assertion: A body of weight 10N (W) is at rest on an inclined plane (m...

    Text Solution

    |

  17. Assertion: When a force vecF attempts to slide a body along a surface,...

    Text Solution

    |

  18. Assertion: Mass is a property of one object alone, whereas weight resu...

    Text Solution

    |

  19. Assertion: When brakes are applied on a wet road, a car is likely to s...

    Text Solution

    |

  20. Assertion : The force of tension on a body always act away from the bo...

    Text Solution

    |