Home
Class 11
PHYSICS
A force F is applied on a lawn mower at ...

A force `F` is applied on a lawn mower at an angle of `60^(@)` with the horizontal. If it moves through a distance `x`, the work done by the force is

A

`Fx/2`

B

`F/2x`

C

`2Fx`

D

`2x/F`

Text Solution

Verified by Experts

The correct Answer is:
`(1)`

`W = vec F. vec S = FS cos theta `
Promotional Banner

Topper's Solved these Questions

  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE -1 (H.W)|60 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE -II (C.W)|75 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise (C.U.Q ) COLLISIONS|14 Videos
  • WAVES

    NARAYNA|Exercise Exercise-IV|56 Videos
  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level-VI (Integer)|12 Videos

Similar Questions

Explore conceptually related problems

A force F is applied on a lawn move at an angle of 60^(@) with the horizontal. If it moves through a distance x , the work done by the force is

A child pulls a toy car through a distance of 10 meters on a smooth, horizontal floor. The string held in child's hand makes an angle of 60^(@) with the horizontal surface. If the force applied by the child be 5 N, calculate the work done by the child in pulling the toy car.

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

A force of 20 N acts on a body and the body moves through 1 m at an angle of 45^(@) in the direction of the force. The work done by the force is

An object is pushed and pulled along a certain angle with respect to horizontal and is moved the some distance on the ground. Now the work done by frictional force will be more in

A block of mass m is pulled slowly by a minimum constant force on a rough ( mu ) horizontal surface through a distance x. Find work done by force F.

A body, acted upon by a force off 50N is displaced through a distance 10 meter in a direction making and angle to 60^(@) with the force. The work done by the force be

A force F is applied on a block of mass M . The block is displaced through a distance d in the direction of the force. What is the work done by the force on the block? Does the internal energy change because of this work?

NARAYNA-WORK , ENERGY & POWER -EXERCISE - 1 (C.W)
  1. Work done by the gravitational force on a body of mass ''m'' moving on...

    Text Solution

    |

  2. A body of mass 1kg is made to travel with a unitform acceleration of 3...

    Text Solution

    |

  3. A force F is applied on a lawn mower at an angle of 60^(@) with the ho...

    Text Solution

    |

  4. A weight lifter jerks 220 kg vertically through 1.5 metre and holds st...

    Text Solution

    |

  5. A force F=(2+x) acts on a particle in x-direction where F is in newton...

    Text Solution

    |

  6. KE of a body is increased by 44%. What is the percent increse in the m...

    Text Solution

    |

  7. A 120 g mass has a velocity vecv=2hati+5hatj m s^(-1) at a certain ins...

    Text Solution

    |

  8. A body of mass 5 kg initially at rest is subject to a force of 20 N. W...

    Text Solution

    |

  9. If a body of mass 3 kg is droped from the top of a tower of height 25 ...

    Text Solution

    |

  10. A uniform cylinder of radius 'r' length 'L' and mass 'm' is lying on ...

    Text Solution

    |

  11. A meter scale of mass 400 gm is lying horizontally on the floor. If it...

    Text Solution

    |

  12. A man standing on the edge of the roof of a 20 m tall building project...

    Text Solution

    |

  13. The kinetic energy of a body is 'K'. If one-fourth of its mass is remo...

    Text Solution

    |

  14. An inelastic ball falls from a height of 100 metres. It loses 20% of i...

    Text Solution

    |

  15. A woman weighing 63 kg eats plum cake whose energy content is 9800 cal...

    Text Solution

    |

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

    Text Solution

    |

  17. A spring with spring constant K when stretched through 1 cm, the poten...

    Text Solution

    |

  18. The energy required to accelerate a car from 10 m/s to 20 m / s is how...

    Text Solution

    |

  19. A body moving with a kinetic energy of 6J cmes to rest at a distance o...

    Text Solution

    |

  20. A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...

    Text Solution

    |