Home
Class 11
PHYSICS
The sign of work done by a force on a bo...

The sign of work done by a force on a body is important to understand . State carefully if the following quantities are positive or negative.
(b) work done by friction on a body sliding down an inclined plane.

Text Solution

Verified by Experts

Work done is negative as direction of friction is opposite to the direction of motion.
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTIONS (NEET)|7 Videos

  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

The sign of work done by a force on a body is important to understand . State carefully if the following quantities are positive or negative. (c ) work done by an applied force on a body moving on a rough horizontal plane with uniform velocity.

The sign of work done by a force on a body is important to understand . State carefully if the following quantities are positive or negative. (a) work done by a man in lifting a bucket out of a well by mass of a rope tied to the bucket .

What is the amount of work done by a force when the body moves in a circular path ?

What is the amount of work done by the force, when the body moves in a circular path ?

In case of expansion of a gas, would the work done by the gas be positive or negative?

CHHAYA PUBLICATION-WORK AND ENERGY-CBSE SCANNER
  1. State and prove law of conservation of mechanical energy in a free fal...

    Text Solution

    |

  2. Two objects of masses in the ratio 1:2 collide elastically with each ...

    Text Solution

    |

  3. State and prove work- energy theorem for a variable force.

    Text Solution

    |

  4. What will happen in an elastic collision in one dimension when a heav...

    Text Solution

    |

  5. Two bodies A and B weighing 5kg and 6kg respectively have equal momen...

    Text Solution

    |

  6. What is meant by elastic collision ? Show that when two bodies of equa...

    Text Solution

    |

  7. State work-energy theorem. Prove it for a constant force.

    Text Solution

    |

  8. Two bodies of different masses have equal kinetic energies . Which wi...

    Text Solution

    |

  9. Angad and Nalin were observing a building having two different stairca...

    Text Solution

    |

  10. Angad and Nalin were observing a building having two different stairca...

    Text Solution

    |

  11. Angad and Nalin were observing a building having two different stairca...

    Text Solution

    |

  12. Prove that the velocity get interchange in case of elastic collision o...

    Text Solution

    |

  13. State work-energy theorem. The momentum of a body of mass 5 kg is 500 ...

    Text Solution

    |

  14. A light body and a heavy body have same linear momentum . Which one h...

    Text Solution

    |

  15. State and prove work-energy theorem.

    Text Solution

    |

  16. State if the following statement is true of false. Give reason for you...

    Text Solution

    |

  17. A ball of 0.1 makes an elastic collision with a ball of unknown mass t...

    Text Solution

    |

  18. The sign of work done by a force on a body is important to understand...

    Text Solution

    |

  19. The sign of work done by a force on a body is important to understand...

    Text Solution

    |

  20. The sign of work done by a force on a body is important to understand...

    Text Solution

    |