Home
Class 11
PHYSICS
A block slides with a velocity of 10 m/s...

A block slides with a velocity of 10 m/sec. on a rough horizontal surface. It comes to rest after covering of 50 m. If g is 10 m/`sec^(2)`, then the coefficient of dynamic friction between the block and surface is

A

1

B

10

C

2

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
d

`mu = a//g = 1//10 = 0.1`
Promotional Banner

Topper's Solved these Questions

  • COMPETITION CARE UNIT

    ICSE|Exercise MOTION IN FLUIDS |25 Videos
  • COMPETITION CARE UNIT

    ICSE|Exercise UNIFORM CIRCULAR MOTION |25 Videos
  • COMPETITION CARE UNIT

    ICSE|Exercise Dynamics ( WORK POWER ENERGY )|35 Videos
  • CIRCULAR MOTION

    ICSE|Exercise MODULE 2 (FROM ROTATIONAL KINETIC ENERGY , WORK ,POWER)|24 Videos
  • DIMENSIONS

    ICSE|Exercise SELECTED PROBLEMS (FROM CONVERSIONS OF ONE SYSTEMS OF UNITS INTO ANOTHER)|9 Videos

Similar Questions

Explore conceptually related problems

A block of mass m is released on the top of a smooth inclined plane of length x and inclination theta as shown in figure. Horizontal surface is rough. If block comes to rest after moving a distabce d on the horizontal surface, then coefficient of friction between block and surface is :-

A block moving on a horizontal surface with velocity 20 ms^(-1) comes to rest because of surface friction over a distance of 40 m. Taking g = 10 ms^(-2) , the coefficient of dynamic friction is :

A wooden block of mass M resting on a rough horizontal surface is pulled with a force T at an angle q to the horizontal. If m is coefficient of kinetic friction between the block and the surface, the acceleration of the block is

A block is sliding on a rough horizontal surface. If the contact force on the block is sqrt2 times the frictional force, the coefficient of friction is

A body is moving along a rough horizontal surface with an initial velocity 6m/s m If the body comes to rest after travelling 9 m , then the coefficient of sliding friction will be

A block of mass 10 kg is placed on the rough horizontal surface. A pulling force F is acting on the block which makes an angle theta above the horizontal. If coefficient of friction between block and surface is 4/3 then minimum value of force required to just move the block is (g = 10 m/s^2)

A block of mass m is pushed with a velocity v_(0) along the surface of a trolley car of mass M . If the horizontal ground is smooth and the coefficient of kinetic friction between the block of plank is mu . Find the minimum distance of relative sliding between the block and plank.

The blocks ov mass m_(1)=1kg and m_(2)=2kg are connected by an ideal spring, rest on a rough horizontal surface. The spring is unstressed. The spring constant of spring is K=2N//m . The coefficient of friction between blocks and horizontal surface is mu=(1)/(2) . Now the left block is imparted a velocity u towards right as shown. The largest value of u( in m//s) such that the block of mass m_(2) never moves is ( Take g=10m//s^(2))

A body of mass 10 kg moves on rough horizontal surface with initial velocity 10m/s and travels 500m before coming to rest. The coefficient of friction is

Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other rest on a rough horizontal surface as shown in the figure. The coefficient of friction between the blocks and surface is 0.2. A horizontal force of 200 N is applied to block A. The acceleration of the system is ("Take g"=10ms^(-2))

ICSE-COMPETITION CARE UNIT-FRICTION
  1. While walking on ice, one should take small steps to avoid sliping. Th...

    Text Solution

    |

  2. Two masses A and B of 10 kg and 5 kg respectively are connected with a...

    Text Solution

    |

  3. A 40kg slab rest on a frictionless floor as shown in . A 10kg blocks r...

    Text Solution

    |

  4. Consider, a car moving along a straight horizontal road with a speed o...

    Text Solution

    |

  5. A body of mass 100 g is sliding from an inclined plane of inclination ...

    Text Solution

    |

  6. If a block moving up at theta = 30^(@) with a velocity 5m/s, stops aft...

    Text Solution

    |

  7. A 20 kg block is initially at rest. A 75 N force is required to set th...

    Text Solution

    |

  8. A block A of mass 4 kg is placed on another block B of mass 5 kg and t...

    Text Solution

    |

  9. Starting from rest, a body slides down a 45^(@) inclined plane in twic...

    Text Solution

    |

  10. If a cyclist moving with a speed of 4.9 m/s on a level can take a shar...

    Text Solution

    |

  11. A heavy uniform chain lies on horizontal table top. If the coefficient...

    Text Solution

    |

  12. A block slides with a velocity of 10 m/sec. on a rough horizontal surf...

    Text Solution

    |

  13. A block of mass 2 kg is placed on the floor. The coefficient of static...

    Text Solution

    |

  14. A block of mass m lying on a rough horizontal plane is acted upon by a...

    Text Solution

    |

  15. When two surfaces are coated with a lubricant, then they

    Text Solution

    |

  16. For a body on a horizontal surface, coefficients of static and kinetic...

    Text Solution

    |

  17. A cubical box of side L rests on a rough horizontal surface with coeff...

    Text Solution

    |

  18. A block of mass 3 kg rests on a rough inclined plane making an angle ...

    Text Solution

    |

  19. A cylinder rolls up an inclined plane, reaches some height and then ro...

    Text Solution

    |

  20. An insect crawls up a hemisherical surface very slowly .The coefficien...

    Text Solution

    |