Home
Class 12
PHYSICS
A force barF=hati+4hatj acts on block sh...

A force `barF=hati+4hatj` acts on block shown. The force of friction acting on the block is :

A

`-hati`

B

`-18hati`

C

`-2.4 hati`

D

`-3hati`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION-C)|63 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION-A)|65 Videos
  • KINETIC THEORY

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE (ASSIGNMENT) SECTION - D Assertion - Reason Type Questions|10 Videos
  • MAGNETISM AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION D)|26 Videos

Similar Questions

Explore conceptually related problems

The frictional force acting on 1 kg block is

A block of 50 N is pressed normally against a wall as shown. The frictional force acting on the block is : ]

A force of 100 N is applied on a block of mass 3kg as shown below. The coefficient of friction between wall and the block is 1//4 . The friction force acting on the block is :

List all the forces acting on the block B in figure.

If in pervious problem, an additional force F' = 100N is applied in vertical direction as shown in figure The friction force acting on the block is

Find the force of friction acting between both the blocks shown in the figure.

In the figure shown, (a) find the force of friction acting on the block. (b) state whether the block will move or not. If yes then with what acceleration?

In the figure shown, (a) find the force of friction acting on the block. (b) state whether the block will move or not. If yes then with what acceleration?

In the figure shown, there is no relative motion between the two blokcs. Force of friction acting on 1 kg block is

A 2 kg block is present against a rough wall by a force F = 20 N as shown in figure .Find acceleration of the block and force of friction acting on it . (Take g = 10 m//s^(2))

AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-Assignment (SECTION-B)
  1. Two blocks of mass M and m are kept on the trolley whose all surfaces ...

    Text Solution

    |

  2. Find the acceleration of 3 kg mass when acceleration of 2 kg mass is 2...

    Text Solution

    |

  3. What is the minimum value of F needed so that block begins to move upw...

    Text Solution

    |

  4. A force barF=hati+4hatj acts on block shown. The force of friction act...

    Text Solution

    |

  5. Figure shows tow cases. In first case a spring (spring constant K) is ...

    Text Solution

    |

  6. A money of mass 40 kg climbs up a rope, of breaking load 600 N hanging...

    Text Solution

    |

  7. Coefficient of friction between A and B is mu . The minimum force F wi...

    Text Solution

    |

  8. A block of mass 10 kg is held at rest against a rough vertical wall [...

    Text Solution

    |

  9. A block is projected with speed 20 m/s on a rough horizontal surface. ...

    Text Solution

    |

  10. An object starts from rest and is acted upon by a variable force F as ...

    Text Solution

    |

  11. A particle of mass m moves with constant speed v on a circular path of...

    Text Solution

    |

  12. The frictional force acting on 1 kg block is

    Text Solution

    |

  13. The tension T in the string shown in figure is

    Text Solution

    |

  14. An object of mass 2 kg at rest at origin starts moving under the actio...

    Text Solution

    |

  15. A block of mass m is at rest on a rough inclined plane of angle of inc...

    Text Solution

    |

  16. A block of mass m takes time t to slide down on a smooth inclined plan...

    Text Solution

    |

  17. A person stands in contact against the inner wall of a rotor of radius...

    Text Solution

    |

  18. The magnitude of force acting on a particle moving along x-axis varies...

    Text Solution

    |

  19. Three forces vecF(1)=(2hati+4hatj)N : vecF(2)=(2hatj-hatk)N and vecF(...

    Text Solution

    |

  20. The momentum p of an object varies with time (t) as shown in figure. T...

    Text Solution

    |