Home
Class 12
PHYSICS
A body of mass 2 kg starts with an intit...

A body of mass 2 kg starts with an intitial-velocity 5 m/s. It the body is acted upon by a time dependent force (F) as shown in figure, then work done on the body in 20 s is

A. − 875 J
B. 875J
C. 600J
D. − 600 N J

A

`-875 J`

B

`875 J`

C

600 J

D

`-600N J`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)|16 Videos
  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-D (LINKED COMPREHENSION TYPE QUESTIONS) (COMPREHENSION-I)|3 Videos
  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-A (OBJECTIVE TYPE QUESTIONS (ONE OPTIONISCORRECT)|60 Videos
  • WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos
AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-SECTION-B (SUBJECTIVE TYPE QUESTIONS) (ONE OPTIONS IS CORRECT)
  1. A graph is plotted by taking transnational kinetic energy of body as o...

    Text Solution

    |

  2. A body of mass 2 kg is acted upon by two forces vecD(1)=(2hati+3hatj)N...

    Text Solution

    |

  3. A body of mass 2 kg starts with an intitial-velocity 5 m/s. It the bod...

    Text Solution

    |

  4. A rectangular block is mobing along a frictionless path, when it encou...

    Text Solution

    |

  5. The position of a particle moving on a stringht line under rthe action...

    Text Solution

    |

  6. Which of the following statements is correct

    Text Solution

    |

  7. A block of mass m, lying on a smooth horizontal surface, is attached t...

    Text Solution

    |

  8. A block of mass m is taken from A to B under the action of a constant ...

    Text Solution

    |

  9. A body of mas m starts from rest with a constant power. If velocity of...

    Text Solution

    |

  10. A body is moved from rest along a straight line by a machine deliverin...

    Text Solution

    |

  11. The potential energy of a particle of mass m is given by U=(1)/(2)kx^(...

    Text Solution

    |

  12. Figure shows a body A at the top of a frictionless hemispherical inver...

    Text Solution

    |

  13. A ball suspended by a thread swings in a vertical plane so that its ac...

    Text Solution

    |

  14. A car of mass m has an engine which can deliver constant power P.the m...

    Text Solution

    |

  15. A particle of mass 0.1 kg is subjected to a force which varies with di...

    Text Solution

    |

  16. A particle is moving in a verticalcircle such that the tensionin the s...

    Text Solution

    |

  17. A block of mass M is attached to the lower end of a verticle spring. T...

    Text Solution

    |

  18. The bob of pendulum is project with horizontal velocity of sqrt(3gf) I...

    Text Solution

    |

  19. A uniform chain of mass 4 kg and length 2 m overhangs a smooth table w...

    Text Solution

    |

  20. A particle of mass m, attached to the end of string of length l is rel...

    Text Solution

    |