Home
Class 11
PHYSICS
A block of 50 kg rests on a table. A hor...

A block of 50 kg rests on a table. A horizontal force of 294 N is required to just move the block, the coefficient of static friction between the surfaces in contant `(mu_(s))` is

A

`5.88`

B

`1.67`

C

`0.6`

D

`0.17`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (CRITICAL THINKING)|66 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (COMPETITIVE THINKING)|98 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

  • Gravitation

    TARGET PUBLICATION|Exercise Exercise|273 Videos

Similar Questions

Explore conceptually related problems

If a force of 0.98 N is applied to a mass of 0.25 kg (g = 9.8m//s^2) the coefficient of friction is

A 20 kg metal block is placed on a horizontal surface. The block just begins to slide when horizontal force of 100N is applied to it . Calculate the coefficient of static friction . If coefficient of kinetic friction is 0.4 then find minimum force to maintain its uniform motion.

A block of mass 40 kg is at rest, on the horizontal surface, The force required to just push it is 156.8N.Calculate the force of static friction, given (g = 9.8m//s^2)

A block of mass 4 kg resting on horizontal surface can be kept in uniform motion on the horizontal surface by the application of the force 16 N, the coeffcient of kinetic friction between the two surfaces is

A block B is pushed momentarily along a horizontal surface with an initial velocity v . If mu is the coefficient of sliding friction between B and the surface, block B will come to rest after a time:

A body is kept on a horizontal disc of radius 2 m at a distance of 1 m from the centre . The coefficient of friction between the body and the surface of disc is 0.4. The speed of rotation of the disc at which the body starts slipping is (g=10 m//s^2 )

Calculate the horizontal force required to just move a block of mass 40kg resting on the horizontal surface given (mu_s = 0.3) , g = 9.8 m//s^2

Consider a car moving along a straight horizontal road with a speed of 36 km/h. If the coefficient of static friction between road and tyers is 0.4, the shortest distance in which the car can be stopped is (Take g=10 m//s2)

A fireman of mass 60 kg slides down a pole. As shown in figure. He is pressing the pole with a force of 600 N. The coefficient of friction between the hands and the pole is 0.5. With wht acceleration will the fireman slide down (g=10 m//s^(2))

A block rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10N, the mass of the block (in kg) is

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (EVALUATION TEST)
  1. A block of 50 kg rests on a table. A horizontal force of 294 N is requ...

    Text Solution

    |

  2. A body while sliding went straight down an incline of 45^(@) to the ho...

    Text Solution

    |

  3. As an air bubble comes from the bottom of a lake to the top, its radiu...

    Text Solution

    |

  4. Four container of honey are shown in the figure. The pressure at depth...

    Text Solution

    |

  5. What is the maximum value of the force F such that the block shown in ...

    Text Solution

    |

  6. You want to apply a force on a box so that it moves with constant spee...

    Text Solution

    |

  7. A block of mass M is pulled along a horizontal surface by applying a f...

    Text Solution

    |

  8. Consider a car moving along a straight horizontal road with a speed of...

    Text Solution

    |

  9. Water and gasline surfaces are open to the atmosphere at the same elev...

    Text Solution

    |

  10. A U-tube containing a liquid moves with a horizontal acceleration a al...

    Text Solution

    |

  11. Equal volume of two immiscible liquids of densities rho and 2rho are f...

    Text Solution

    |

  12. Assertion : A horse has to pull a cart harder during the first few ste...

    Text Solution

    |

  13. Digboi mine in Assam is the deepest in India. In this mine the conditi...

    Text Solution

    |

  14. Consider a liquid at rest in a container which opens into atmosphere. ...

    Text Solution

    |

  15. At two points on a horizontal tube of varying cross section carrying w...

    Text Solution

    |

  16. An aquarium is filled with water. The lateral wall of the aquarium is ...

    Text Solution

    |

  17. The fire fighters have a jet attached to the held of their water pipes

    Text Solution

    |

  18. The nature of graph between terminal velocity of spherical body vs the...

    Text Solution

    |

  19. Assertion: The accumulation of snow on the wings of an acroplane reduc...

    Text Solution

    |

  20. The figure bwlow indicates flow of water through a tube of uniform cro...

    Text Solution

    |

  21. A water bgarrel having water up to a depth d is placed on a table of h...

    Text Solution

    |