Home
Class 12
PHYSICS
A block of weight 30 N is in contact wit...

A block of weight 30 N is in contact with a rough wall. A force of 50 N is applied as shown in the figure. Find the coefficient of static friction between the wall and the block assuming the block is just about to slip.

A

0.6

B

0.8

C

0.4

D

0.2

Text Solution

Verified by Experts

The correct Answer is:
a


N=50 N
F=30 N
`mu_(s)N=30 N`
`mu_(s)(50)=30`
`mu_(s)=0.6`
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise level 2|65 Videos
  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise JEE Main ( ARCHIVE ) ( LEVEL-1)|12 Videos
  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise JEE Advanced ( ARCHIVE LEVEL-2)|12 Videos
  • GRAVITATION

    VMC MODULES ENGLISH|Exercise JEE Advance (Archive) TRUE/FALSE|1 Videos
  • JEE MAIN - 5

    VMC MODULES ENGLISH|Exercise PART I : PHYSICS (SECTION - 2)|5 Videos

Similar Questions

Explore conceptually related problems

A force of 200N is applied as shown in the figure on block of 3 kg. The coefficient of friction between the block and the wall is 0.3. Find the friction acting on the block. (in N) {Take g = 10 m//s^(2)

A block on table shown in figure is just on the wedge of slipping. Find the coefficient of static friction between the block and table top.

A force of 100 N is applied on a block of mass 3 kg as shown in figure. The coefficient of friction between the surface and the block is 1/4 .Then the friction 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 :

A block of mass 10 kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6 What should be the minimum value of force P, such that the block doesnot move downward? (take g=10ms^(-2) )

A block of mass 10 kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6 What should be the minimum value of force P, such that the block doesnot move downward? (take g=10ms^(-2) )

A block of mass m is in contact with the cart C as shown in figure - The coefficient of static friction between the block and the cart is mu , The accelertion alpha of the cart that will prevent the block from failing satisfies -

A block of mass m kg is pushed up against a wall by a force P that makes an angle 'theta' with the horizontal as shown in figure. The coefficient of static friction between the block and the wall is mu . The minimum value of P that allows the block to remain stationary is

A block of mass 1 kg in kept on a rough horizontal surface with mu_(s)=0.1 . A force of 0.5 N is applied as shown in the figure. What is the frictional force applied by ground on the block?

A 1 kg block is being pushed against a wall by a force F=75N as shown in the figure. The coefficient of friction is 0.25. The magnitude of acceleration of the block is:

VMC MODULES ENGLISH-INTRODUCTION TO VECTORS & FORCES -level 1
  1. A block of mass 4kg rests on a rough horizontal plane. The plane is gr...

    Text Solution

    |

  2. A rough wedge of slant length 5 m is kept as shown in the figure. Find...

    Text Solution

    |

  3. A block of weight 30 N is in contact with a rough wall. A force of 50 ...

    Text Solution

    |

  4. A block of 50 N is pressed normally against a wall as shown. The frict...

    Text Solution

    |

  5. Two blocks of equal masses are connected by an ideal string passing ov...

    Text Solution

    |

  6. A particle moving with speed v(0)=10sqrt(2) ms^(-1) strikes a wall at...

    Text Solution

    |

  7. A particle is moving on a circular path with constant speed v. The mag...

    Text Solution

    |

  8. A car is moving towards east with a speed of 25 km h^-1. To the driver...

    Text Solution

    |

  9. A man is crossing a river flowing with velocity of 5m//s. He reaches a...

    Text Solution

    |

  10. A swimmer can swim in still water with speed v and the river is flowin...

    Text Solution

    |

  11. A swimmer can swim in still water with a speed of 2.5 m/s. What is the...

    Text Solution

    |

  12. A river of width 80m is flowing at 6 m/s. A motorboat crosses the rive...

    Text Solution

    |

  13. Find theta in the given situation so that the swimmer directly lands...

    Text Solution

    |

  14. A person rows a boat across a river making an angle of 60^@ with the d...

    Text Solution

    |

  15. A man is walking with 3 m//s, due east. Rain is falling vetically down...

    Text Solution

    |

  16. A car is moving on horizontal ground with a velocity vm s^(-1) with ...

    Text Solution

    |

  17. An aeroplane pilot wishes to fly due west A wind of 100 km h^-1 is blo...

    Text Solution

    |

  18. A train 100 m long travelling at 40 ms^(-1) starts overtaking another ...

    Text Solution

    |

  19. The diagram shows a train moving with constant velocity and a car movi...

    Text Solution

    |

  20. A bird is flying towards north with a velocity 40 km h^-1 and a train ...

    Text Solution

    |