Home
Class 11
PHYSICS
A block , weighing 25.51 kg, was pulled ...

A block , weighing 25.51 kg, was pulled with uniform velocity along a horizontal plane through a distance of 10 m . What is the work done by the force if the coefficient of sliding friction between the block and the plane is 0.2 and the applied force makes an angle of `60^@` with the vertical ?

Text Solution

Verified by Experts

The correct Answer is:
447.8J
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II|47 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos
  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-II)|7 Videos
  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A block of mass M rests on an inclined plane. If the coefficient of friction between the block and the plane is mu , then the block will slide down the plane under its own weight when the angle of inclination is

A block of mass M rests on an inclined plane. If the coefficient of friction between the block and the plane is mu then the block will slide down the plane under its own weight the angle of inclination is

A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. What is the weight of the block (in N)?

While lifting a 10 kg block vertically with a constant velocity, it is kept pressed against a wall by a horizontal force of 49 N. Coefficient of friction between the block and the wall is 0.2. Find the upward force.

A block of mass 0.1 kg is kept pressed onto a wall by applying a horizontal force of 5 N. If the coefficient of friction between the block and the wall is 0.5, find the force of friction on the block.

A block of mass 25 kg is kept on a horizontal plane. The block is pulled in a direction 30^(@) to the horizontal, and when the force is 100 N, the block start its motion. Find the coefficient on friction between the block and the plane.

A car of mass 500 kg moves with a constant velocity 72km/hr (i) along a horizontal path,Coefficient of sliding friction between the road and the wheel is 0.1 . Find the engine power

Standing on an icy surface a man of mass 60 kg throws a stone of mass 3 kg horizontally at a velocity of 8 "m.s"^(-1) . How far does he slide back if the coefficient of sliding friction between the man and the icy surface is 0.02?

A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the pole is 0.8 and g=10m//s^2 , the horizontal force that he is applying on the pole is

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I
  1. A man of mass 100 kg climbs up a ladder of height 10 m. The ladder mak...

    Text Solution

    |

  2. Using a rope , a block of mass M is lowered through a height d with a ...

    Text Solution

    |

  3. A block , weighing 25.51 kg, was pulled with uniform velocity along a ...

    Text Solution

    |

  4. A uniform brick is of size 6 cm xx 8cm xx8cm and has a mass of 2.5 kg...

    Text Solution

    |

  5. Mass of a rod of length 4m is 3 kg. Its centre of gravity is 1.5 m fr...

    Text Solution

    |

  6. An object of mass 25 g is under water at a depth of 50 cm . Relative ...

    Text Solution

    |

  7. A constant force vecF =(-hati+2hatj+3hatk) N acts on a body. How much ...

    Text Solution

    |

  8. A force vecF =(2hati-6hatj)N is applied on a body which is sliding ove...

    Text Solution

    |

  9. A particle moves from position vecr1=2hati+3hatj to position vecr2=3ha...

    Text Solution

    |

  10. The relation between the displaement x and the time t for a body of ma...

    Text Solution

    |

  11. A man pushes a roller with a force of 60N through a distance of 30 m. ...

    Text Solution

    |

  12. A rain drop of radius 2mm falls from a height of 250 m above the groun...

    Text Solution

    |

  13. A boy of mass 20 kg , moved up to the top of a building of height 18 ...

    Text Solution

    |

  14. A man of mass 60 kg , climbed 20 steps in 10 s carrying load of 20 kg ...

    Text Solution

    |

  15. Against an average pressure of 10 cm of mercury, a human heart pumps 5...

    Text Solution

    |

  16. Time taken by man of weight 580 N to climb up to the top of a towar 8...

    Text Solution

    |

  17. A pump lifts 5000kg of water per minute through a height of 12m. Find ...

    Text Solution

    |

  18. An engine can eject 6000 kg of water upwards at 15 m*s^(-1), in 1 min ...

    Text Solution

    |

  19. The engine of a train has to apply a force of 5000 N to overcome frict...

    Text Solution

    |

  20. A water pump raises water at a rate of 0.50 m^3// min from a depth of ...

    Text Solution

    |