Home
Class 12
PHYSICS
A body of mass m was slowly pulled up th...

A body of mass m was slowly pulled up the hill by a force F which at each point was directed along the tangent of the trajectory. All surfaces are smooth. Find the work done by this force

A

mgh

B

mgl

C

Zero

D

Data insufficient

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)|16 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise SECTION-D (LINKED COMPREHENSION TYPE QUESTIONS) (COMPREHENSION-I)|3 Videos

  • WORK, ENERGY AND POWER

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

  • WAVES

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

Similar Questions

Explore conceptually related problems

A body of mass m was slowly pulled up the hill by a force F which at each point was directed along the tangent of the trajectory. All surfaces aresmooth. Find the work performed by this force.

A body of mass m was slowly hauled up the hill (figure) by a force F which at each point was directed along a tangent to the trajectory. Find the work performed by this force, if the height of the hill is h, the length of its base l, and the coefficient of friction k.

A body of mass m was slowly hauled up the hill as shown in the fig. by a force F which at each point was directed along a tangent to the trajectory. Find the work performed by this force, if the height of the hill is h, the length of its base is I and the coefficient ot friction is mu . .

A body of mass M was slowly hauled up a rough hill by a force F which at each point was directed along a tangent to the hill. Work done by the force

A body of mass m is slowly hauled up a rough hill as shown in fig by a force F which acts tangential to the trajectory at each point. Find the work performed by the force, if the height of hill is h, the length of its base l and coefficient of friction between the body and hill surface is m. What is the work done if body is moved along some alternative path shown by the dotted line, friction coefficient being same.

A block of mass m is slowly carried on a inclined plane by a force F which always acts along the tangent to the plane. If the co-efficient of friction between the block and incline be mu , then work done by force of friction while carrying block from bottom of the plane to the top will be :

A block of mass m is pulled slowly by a minimum constant force (F) on a horizontal surface thorugh a distance x. The coefficient of kinetic friciton is mu . Find the work done by the force (F) .

A body, acted upon by a force of 50N, is displaced through a distance 10m in direction making an angle of 60^(@) with the force. Find the work done by the force.

A block of mass m is slowly pulled along a curved surface from position 1 and 2. If the coefficient of kinetic friction between the block and surface is mu , find the work done by the applied force.

A small block of mass m os takes slowly up a fixed hemisphere from P to Q and then slowly down along its surface from Q to S by force F , which at each point of the surface, is tangential to the surface. If the coefficient of friction is mu , then the work performed by the force F in taking the block from P to S along the hemispherical surface of radius R is :

AAKASH INSTITUTE-WORK, ENERGY AND POWER-SECTION-B (SUBJECTIVE TYPE QUESTIONS) (ONE OPTIONS IS CORRECT)
  1. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  2. A particle is placed on the top of a hemispherical shell of same mass....

    Text Solution

    |

  3. A bob is tied up with a string AB of length l. End A of the string is ...

    Text Solution

    |

  4. If linear momentum if increased by 50% then kinetic energy will be inc...

    Text Solution

    |

  5. A body of mass m was slowly pulled up the hill by a force F which at e...

    Text Solution

    |

  6. Work done by a spning force is

    Text Solution

    |

  7. A small body of mass m slides without friction from the top of a hemi...

    Text Solution

    |

  8. A motor drives a body along a straight line with a constant force. The...

    Text Solution

    |

  9. An engine pumps water continously through a hole. Peeds with which wat...

    Text Solution

    |

  10. A machine which is 75% efficient uses 12 J of energy in lifting up a 2...

    Text Solution

    |

  11. A bullet when fixed at a target with a velocity of 100 ms^(-1), penetr...

    Text Solution

    |

  12. A particle is rotated in a vertical circle by connecting it to a strin...

    Text Solution

    |

  13. The block of mass m is released when the spring was in its natrual len...

    Text Solution

    |

  14. Consider the spring blcok system shoen in the figure initially block m...

    Text Solution

    |

  15. Consider the spring block system shown in the figure. Initially block ...

    Text Solution

    |

  16. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  17. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  18. A particle of mass m initially moving with speed v.A force acts on the...

    Text Solution

    |

  19. A block of mass m is released from a height h from the top of a smooth...

    Text Solution

    |

  20. A particle of mass m initially at rest. A variabl force acts on the pa...

    Text Solution

    |