Home
Class 12
PHYSICS
A uniform force of (3 hati + hatj) newto...

A uniform force of `(3 hati + hatj)` newton acts on a partical of mass `2 kg`. Hence the partical is displaced from position `(2 hati + hatk)` metre to possion `(4 hati + 3 hatj - hatk)` meters. The work done by the force on the partical is

A

6 J

B

13 J

C

15 J

D

9 J

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - D)|15 Videos
  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|39 Videos
  • WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A uniform force of (3hati+hatj) N acts on a particle of mass 2kg. Hence, the particle is displaced from position (2hati+hatk) m to position (4hati+3hatj-hatk) m. The work done by the force on the particle is

A force of (3 hati + 4 hatj) Newton acts on a body and it by (3 hati + 4 hatj)m . The work done by the force is

Under a force of 10 hati - 3 hatj +6 hatk newton, a body of mass 5 kg is displaced from the position 6 hati + 5 hatj - 3 hatk to the position 10 hati - 2hatj + 7 hatk . Calculate the work done.

Under a force ( 10 hati - 3 hatj + 6 hatk) newton a body of mass 5 kg moves from position ( 6 hati + 5 hatj - 3 hatk) m to position ( 10 hati - 2hatj+ 7hatk) m . Deduce the work done.

A force F = (5 hati + hatj) newtons is is applied over a partical which displaced it from its origin to the point r = (2 hati - hatj) metres . The work done on the partical is.

A force (3hati+4hatj) newton acts on a boby and displaces it by (3hati+4hatj) metre. The work done by the force is

A particle is displaced from a position 2hati-hatj+hatk (m) to another position 3hati+2hatj-2hatk (m) under the action of a force 2hati+hatj-hatk(N) . The work done by the force is

AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
  1. A block of mass 10 kg, moving in x-direction with a constant speed of ...

    Text Solution

    |

  2. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |

  3. A uniform force of (3 hati + hatj) newton acts on a partical of mass 2...

    Text Solution

    |

  4. The potential energy of a particle in a force field is: U = (A)/(r^(...

    Text Solution

    |

  5. Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...

    Text Solution

    |

  6. A stone is dropped from a height h . It hits the ground with a certain...

    Text Solution

    |

  7. A car of mass m starta from rest and accelerates so that the instyanta...

    Text Solution

    |

  8. The potential energy of a system increased if work is done

    Text Solution

    |

  9. force F on a partical moving in a straight line veries with distance d...

    Text Solution

    |

  10. A body projected vertically from the earth reaches a height equal to e...

    Text Solution

    |

  11. An engine pumps water through a hose pipe. Water passes through the pi...

    Text Solution

    |

  12. A particle of mass M starting from rest undergoes uniform acceleration...

    Text Solution

    |

  13. An engine pumps water continously through a hose. Water leave the hose...

    Text Solution

    |

  14. A body of mass 1 kg is thrown upwards with a velocity 20 ms^(-1). It m...

    Text Solution

    |

  15. A block of mass m attached in the lower and vertical spring The spring...

    Text Solution

    |

  16. Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...

    Text Solution

    |

  17. A shell of mass 200g is ejected from a gun of mass 4 kg by an explosio...

    Text Solution

    |

  18. A vertical spring with force constant k is fixed on a table. A ball of...

    Text Solution

    |

  19. The potential energy of a long spring when stretched by 2 cm is U. If ...

    Text Solution

    |

  20. A body of mass 3 kg is under a constant force which causes a displacem...

    Text Solution

    |