Home
Class 12
PHYSICS
A block of mass 5kg is lying on a rough ...

A block of mass 5kg is lying on a rough horizontal surface. The coefficient of static and kinetic friction are 0.3 and 0.1 and g=`10 ms^(-2)` The frictional force on the block is

A

25 N

B

15 N

C

10 N

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|157 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A block of mass 20kg is pushed with a horizontal force of 90N. If the coefficient of static & kinetic friction are 0.4 & 0.3, the frictional force acting on the block is: (g =10ms^(-2) )

A block of mass 1kg is at rest on a rough horizontal surface having coefficient of static friction 0.2 and kinetic friciton 0.15, find the frictional forces if a horizontal force, (a) F=1N (b) F=1.96N (c) F=2.5N is applied on a block

A block of mass 2 kg is on a horizontal surface. The coefficient of static & kinetic frictions are 0.6 & 0.2 The minimum horizontal force required to start the motion is applied and if it is continued, the velocity acquired by the body at the end of the 2nd second is (g= 10ms^2 )

A block of mass m = 1 kg is at rest on a rough horizontal surface having coefficient of static friction 0.2 and kinetic friction 0.15. Find the frictional forces if a horizontal force (a) F = 1 N, (b) F = 1.96 N and (c) F = 2.5 N are applied on a block which is at rest on the surface.

A block of mass 5 kg is placed on a rough horizontal plane . The coefficients of stastic and kinetic friction between the block and surface are 0*5 and 0*3 respectively. A force of 100 N is applied at an angle 30^(@) with the horizontal as shown in the figure . The acceleration of the block will be [ g = 10 m//s^(2) ]

A force F=2t is spplied at t=0 sec to the block of mass m placed on a rough horizontal surface. The coefficient of static and kinetic friction between the block and surface are mu_S and mu_k rspectively. Which of the following graphs best represents the acceleration vs time of the block (mu_Sgtmu_k) ?

A force F=2t is spplied at t=0 sec to the block of mass m placed on a rough horizontal surface. The coefficient of static and kinetic friction between the block and surface are mu_S and mu_k rspectively. Which of the following graphs best represents the acceleration vs time of the block (mu_Sgtmu_k) ?

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))

A block of mass 4 kg is kept on a rough horizontal surface. The coefficient of static friction is 0.8. If a forace of 19 N is applied on the block parallel to the floor, then the force of friction between the block and floor is

A block of mass m=5kg is resting on a rough horizontal surface for which the coefficient of friction is 0.2 . When a force F=40N is applied, the acceleration of the block will be (g=10m//s^(2)) .

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A wooden block of 100 kg is about to be pushed on a floor of coefficie...

    Text Solution

    |

  2. A block is in limiting equilibrium on a rough horizontal surface. If t...

    Text Solution

    |

  3. A block of mass 5kg is lying on a rough horizontal surface. The coeffi...

    Text Solution

    |

  4. The coefficient of friction is 0.75. If sin37°= 0.6, the angle of fric...

    Text Solution

    |

  5. A block of mass 20kg is pushed with a horizontal force of 90N. If the ...

    Text Solution

    |

  6. A body of mass 60 kg is pushed up with just enough force to start it ...

    Text Solution

    |

  7. A block of mass 2 kg is on a horizontal surface. The coefficient of st...

    Text Solution

    |

  8. A marble block of mass 2 kg lying on ice when given a velocity of 6 m ...

    Text Solution

    |

  9. A lift is moving down with an acceleration equal to the acceleration d...

    Text Solution

    |

  10. Two bodies having the same mass 5kg each have different surface areas ...

    Text Solution

    |

  11. A boy of weight 25kg slides down a rope hanging from the branch of a t...

    Text Solution

    |

  12. Two blocks of mass 4kg and 2kg are connected by a heavy string and pla...

    Text Solution

    |

  13. A block of mass 4 kg is kept over a rough horizontal surface. The coef...

    Text Solution

    |

  14. A body of mass 5kg is under the action of 50N on the horizontal surfac...

    Text Solution

    |

  15. Two trolleys of masses m and 3 m are connected by a spring. The spring...

    Text Solution

    |

  16. A block of weight 100N is pushed by a force F on a horizontal rough pl...

    Text Solution

    |

  17. A horizontal force applied on a body on a rough horizontal surface pro...

    Text Solution

    |

  18. A person of mass 72 kg sitting on ice pushes a block of mass of 30kg o...

    Text Solution

    |

  19. When a car of mass 1200 kg is moving with a velocity of 15 ms^(-1) on ...

    Text Solution

    |

  20. A vehicle of mass m is moving on a rough horizontal road with momentum...

    Text Solution

    |