Home
Class 11
PHYSICS
A force vec(F)=(5hat(i)+3hat(j)+2hat(k))...

A force `vec(F)=(5hat(i)+3hat(j)+2hat(k))N` is applied over a particle which displaces it from its origin to the point `vec(r)=(2hat(i)-hat(j))m`. The work done on the particle in joules is-

A

-7

B

7

C

10

D

13

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Work, Energy and power

    SL ARORA|Exercise EXERCISE|415 Videos

  • Waves

    SL ARORA|Exercise EXERCISE|558 Videos

  • WORK, POWER AND ENERGY

    SL ARORA|Exercise Type F Based on Collisions|6 Videos

Similar Questions

Explore conceptually related problems

A force vec(F) = (5hat(i) + 3hat(j)) N is applied over a particle which displaces it from its origin to the point vec(r ) = (2hat(i) - 1hat(j)) meter. The work done on the particle is :

A force vec(F) = (2hat(i) - 3hat(j) +7hat(k)) N is applied on a particle which displaces it by vec(S) = (4hat(i)+5hat(j) +hat(k)) . Find the work done on the particle .

A force vec(F) = hat(i) + 3hat(j) + 2hat(k) acts on a particle to displace it from the point A (hat(i) + 2hat(j) - 3hat(k)) to the point B (3hat(i) - hat(j) + 5hat(k)) . The work done by the force will be

A force vec(F) = hat(i) + 3 hat(j) + 2 hat(k) acts on a particle to displace it from the point A (hat(i) + 2hat(j) - 3 hat(k)) to the point B(3hat(i) - hat(j)+5hat(k)) . The work done by the force will be

A force vec(F)=2hat(i)-3hat(j)+7hat(k) (N) acts on a particle which undergoes a displacement vec(r )=7hat(j)+3hat(j)-2hat(k)(m) . Calculate the work done by the force.

A force vec(F) = (2 hat(i) + 3 hat(j) + 4 hat(k)) N is applied to a point having position vector vec(r) = (3 hat(i) + 2 hat(j) + hat(k)) m. Find the torque due to the force about the axis passing through origin.

A force vec(F)=3hat(i)+chat(j) +2hat(k) acting on a particle causes a displacement vec(d)=-4hat(i)+2hat(j)+3hat(k) . If the work done is 6j . Find the value of 'c' ?

A force vec(F)=3hat(i)+chat(j)+2hat(k) acting on a particle causes a displacement vec(d)=-4hat(i)+2hat(j)+3hat(k) . If the work done is 6J then the value of 'c' is

A force vec(F)=3hat(i)+4 hat(j)-3hat(k) is applied at the point P, whose position vector is vec(r) = hat(2i)-2hat(j)-3hat(k) . What is the magnitude of the moment of the force about the origin ?

A force vec(F)=(2hat(i)+3hat(j)-5hat(k))N acts at a point vec(r )_(1)=(2hat(i)+4hat(j)+7hat(k))m . The torque of the force about the point vec(r )_(2)=(hat(i)+2hat(j)+3hat(k))m is

SL ARORA-Work, Energy and power-EXERCISE
  1. A particle of unit mass is moving along the x-axis under the influence...

    Text Solution

    |

  2. When a rubber-band is stretched by a distance x, it exerts a restoring...

    Text Solution

    |

  3. A force vec(F)=(5hat(i)+3hat(j)+2hat(k))N is applied over a particle w...

    Text Solution

    |

  4. An athlete in the Olympic gamed covers a distance of 100 m in 10 s. Hi...

    Text Solution

    |

  5. A particle of mass 100 g is thrown vertically upwards with a speed of ...

    Text Solution

    |

  6. A ball whose kinetic energy is E , is projected at an angle of 45(@) t...

    Text Solution

    |

  7. A particle is projected at 60(@) to the horizontal with a kinetic ene...

    Text Solution

    |

  8. A particle moves in a straight line with retardation proportional to i...

    Text Solution

    |

  9. The potential energy of a 1 kg particle free to move along the x- axis...

    Text Solution

    |

  10. Consider the following two statements: A. Linear momentum of a syste...

    Text Solution

    |

  11. A spherical ball of mass 20kg is stationary at the top of a hill of he...

    Text Solution

    |

  12. A uniform chain of length 2 m is kept on a table such that a length of...

    Text Solution

    |

  13. A mass of M kg is suspended by a weightless string. The horizontal for...

    Text Solution

    |

  14. A spring of spring constant 5 xx 10^(2) Nm is streched initially by 5 ...

    Text Solution

    |

  15. A spring of force constant 800N//m has an extension of 5cm. The work d...

    Text Solution

    |

  16. A 2 kg block slides on a horizontal floor with a speed of 4 m/s. It st...

    Text Solution

    |

  17. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

    Text Solution

    |

  18. A body is moved along a straight line by a machine delivering constant...

    Text Solution

    |

  19. If mass-energy equivalence is taken into account , when water is coole...

    Text Solution

    |

  20. A bomb of mass 16kg at rest explodes into two pieces of masses 4 kg an...

    Text Solution

    |