Home
Class 11
PHYSICS
The coefficient of static and dynamic fr...

The coefficient of static and dynamic friction between a body and the surface are 0.75 and 0.5 respectively. A force is applied to the body to make it just slide with a constant acceleration which is

A

`g/4`

B

`g/2`

C

`(3g)/(2)`

D

g

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (CRITICAL THINKING)|68 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

Similar Questions

Explore conceptually related problems

A horizontal force just sufficient to move a body of mass 4 kg lying on a rought horizontal surface is applied on it .The coefficient of static and kinetic friction the body and the surface are 0.8 and 0.6 respectively If the force contines to act even after the block has started moving the acceleration of the block in ms^(-2) is (g = 10 ms^(-2))

The coefficients of static and dynamic friction are 0.7 and 0.4 The minimum force required to create motion is applied on a body and if it is further continued the acceleration attained by the body in ms^(-2) is ( g =10m//s^(2)) .

If angle of repose is phi , the coefficient of static friction between body and the plane is

The coefficient of static friction between the bodies A and B is 0.30. Determine minimum stopping distance that the body A can have from a speed of 70 km/h with constant deceleration if the body B is not to slip forward

The block of mass 4kg is placed on a rough horizontal surface having the coefficient of kinetic and static friction as 0.4 and 0.5 respectively. If a force of 4N is applied to the body, then the frictional force acting on the body will be [g= m/s^2 ]

A block having a mass 3kg is initially at rest on a horizontal surface. The coefficient of static friction mu_(s) =0.3 between theblock and the surface and mu_(k) is 0.25 .A constant force F of 50 N, acts on the body at the angle theta = 37^(@) . What is the acceleration of the block ?

The force of limiting friction between a body and the surface of contact is 5N A force of 7N is applied on the body and the actual motion starts The effective force of friction now is .

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)
  1. A cylindrical vessel of 100 cm height is kept filled upto the brim. It...

    Text Solution

    |

  2. A roller is made by joining together two cones at their vertices O, ti...

    Text Solution

    |

  3. The coefficient of static and dynamic friction between a body and the ...

    Text Solution

    |

  4. A body of mass M is resting on a rough horizontal plane surface the c...

    Text Solution

    |

  5. A plank with a box on it at one end is gradully raised about the other...

    Text Solution

    |

  6. There is a small hole at the bottom of tank filled with water. If tota...

    Text Solution

    |

  7. The working of venturimeter is based on

    Text Solution

    |

  8. In dimension of circal velocity v(0) liquid following through a take a...

    Text Solution

    |

  9. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  10. A bullet of mass 50 g moving horizontally with a velocity 210 ms^(-1) ...

    Text Solution

    |

  11. A body of weight 64 N is pushed with just enough force to start it mov...

    Text Solution

    |

  12. The three vessels shown in figure have same base area. Equal volumes o...

    Text Solution

    |

  13. A fireman of mass 60 kg slides down a pole. As shown in figure. He is ...

    Text Solution

    |

  14. A tank is filled with water up to a height H. Water is allowed to come...

    Text Solution

    |

  15. A point particle of mass m, moves long the uniformly rough track PQR a...

    Text Solution

    |

  16. A 60 kg weight is dragged on a horizontal surface by a rope upto 2 met...

    Text Solution

    |

  17. When a body is moving on a surface, the force of friction is called

    Text Solution

    |

  18. The speed of the wind passing over the wings of a small aeroplane is 7...

    Text Solution

    |

  19. A rectangular vessel when full of water takes 10 minutes to be emptied...

    Text Solution

    |

  20. A vessel completely filled with water has holes 'A' and 'B' at depths ...

    Text Solution

    |