Home
Class 11
PHYSICS
A constant force vecF =(-hati+2hatj+3hat...

A constant force `vecF =(-hati+2hatj+3hatk)` N acts on a body. How much work is to be done to move the body first through a distance 4m along z-axis and then 3m along y-axis ?

Text Solution

Verified by Experts

The correct Answer is:
18 J
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II|47 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-II)|7 Videos
  • WBCHSE QUESTION PAPER -2019

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

Similar Questions

Explore conceptually related problems

A constant force vecA =-hati +2hatj+3hatkN acts on a body, and shifts it 4 m along z-axis and then 3m along y-axis. Work done by vecF will be

A body is constrained to move along the z-axis is subject to a constant force F = (-hati+2hatj+3hatk) N . Calculate the work done by this force in moving the body a distance of 4m along the z-axis .

A force vecF =(2hati-6hatj) N is applied on a body which is sliding over a floor. If the body in displaced through 3 hati m , how much work is done by the force ?

What is the work done in moving a test charge q through a distance of 1 cm along the equational axis of an electric dipole?

A force vecF =(5hati+3hatj+2hatk)N acts on a particle , and the particle moves from the origin to a point vecr=(2hati-hatj) m. what will be the work done on the particle ?

A particle moving on xy-plane is acted upon by a force vecF =-K(yhati+xhatj) where K is a constant . Starting from the origin , the particle si brought to the point (a,0) along the positive x-axis and then to the point (a,a) parallel to y-axis. Work done by the force on the particle will be

A force F = ( 6hati — 8hatj + 10hatk ) N acting on a mass producess an acceleration of 1 m//s^2 . What will be the mass of the body?

(2hati+hatj-hatk) N force is acting on a body of 10 kg mass. If the body is started moving from the rest, then after 20 sec. what will be its velocity?

(2hati+hatj-hatk) N force is acting on a body of 10 kg mass, if the body starts from rest, then after 20 sec what will be its velocity ?

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I
  1. Mass of a rod of length 4m is 3 kg. Its centre of gravity is 1.5 m fr...

    Text Solution

    |

  2. An object of mass 25 g is under water at a depth of 50 cm . Relative ...

    Text Solution

    |

  3. A constant force vecF =(-hati+2hatj+3hatk) N acts on a body. How much ...

    Text Solution

    |

  4. A force vecF =(2hati-6hatj)N is applied on a body which is sliding ove...

    Text Solution

    |

  5. A particle moves from position vecr1=2hati+3hatj to position vecr2=3ha...

    Text Solution

    |

  6. The relation between the displaement x and the time t for a body of ma...

    Text Solution

    |

  7. A man pushes a roller with a force of 60N through a distance of 30 m. ...

    Text Solution

    |

  8. A rain drop of radius 2mm falls from a height of 250 m above the groun...

    Text Solution

    |

  9. A boy of mass 20 kg , moved up to the top of a building of height 18 ...

    Text Solution

    |

  10. A man of mass 60 kg , climbed 20 steps in 10 s carrying load of 20 kg ...

    Text Solution

    |

  11. Against an average pressure of 10 cm of mercury, a human heart pumps 5...

    Text Solution

    |

  12. Time taken by man of weight 580 N to climb up to the top of a towar 8...

    Text Solution

    |

  13. A pump lifts 5000kg of water per minute through a height of 12m. Find ...

    Text Solution

    |

  14. An engine can eject 6000 kg of water upwards at 15 m*s^(-1), in 1 min ...

    Text Solution

    |

  15. The engine of a train has to apply a force of 5000 N to overcome frict...

    Text Solution

    |

  16. A water pump raises water at a rate of 0.50 m^3// min from a depth of ...

    Text Solution

    |

  17. A electric motor creates a tension of 4500 N a hoisting cable and reel...

    Text Solution

    |

  18. A bullet of mass 80 g strikes a target at 100 cm*s^(-1). After penetr...

    Text Solution

    |

  19. A body of mass 1kg , at a height of 8m above the ground , is thrown v...

    Text Solution

    |

  20. A body of mass 10 kg is thrown vertically upwards with a velocity of ...

    Text Solution

    |