Home
Class 12
PHYSICS
Block B is kept on Block A and a force F...

Block B is kept on Block A and a force F = 50 N pushes B down as shown in figure. Block A is kept on a rough surface with `mu_(s)=0.2` and `mu_(k)=0.1` . What is the maximum force `F_(2)` which can be applied so that the system remains at rest?

A

10 N

B

30 N

C

60 N

D

50 N

Text Solution

Verified by Experts

The correct Answer is:
c


`F_(2)=F`
`F_(2)=mu_(s)N=2xx300`
`F_(2)=60 N`
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 block of mass sqrt(3) kg is kept on a frictional surface with mu = 1/(2sqrt(3)) . The minimum force to be applied as shown to move the block is

A 3 kg block of wood is on a level surface where mu_(s) = 0.25 and mu_(s) = 0.2 A force of 7 N is being applied horizontal to the block Mark the correct statement(s) regarding this situation.

A 10kg block rests on a 5kg bracket as shown in figureThe 5kg breaket rests on a horizontal surface The coefficient of frictionbetween the 10kg block and the braket on wich it rests are mu_(s) = 0.40 and mu_(k) = 0.30 The maximum force F that can be applied if the 10 kg block is not to slide on the braket 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 block of mass 5 kg is kept on a rough horizontal surface. The coefficient of friction for the contact force block and surface are mu_(s) = 0*1 and mu_(k) = 0*9 respectively . A horizontal force F given by F 0*5t is applied at t = 0 . Here t represent time in seconds . Determine the force of friction and acceleration of the block at (i) t = 1s (ii) t= 10 s (iii) t = 12 s

A block of mass m=2kg is resting on a rough inclined plane of inclination of 30^(@) as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? (g=10m//s^(2))

Two blocks a and B of mass m_(A)=1kg and m_(B)=3kg are kept on the table as shown in figure the coefficient of friction between A and B is 0.2 and between B and the surface of the table is also 0.2 the maximum force F that can be applied on B horizontally, so that the block A does not slide over the block B is [Take g=10m//s^(2) ]

A block of mass m is placed on another block of mass M lying on a smooth horizontal surface as shown in the figure. The co-efficient of friction between the blocks is mu . Find the maximum horizontal force F (in Newton) that can be applied to the block M so that the blocks together with same acceleration? (M=3kg, m=2kg, mu=0.1, g=10m//s^(2))

A horizontal force F is applied to a homogeneous rectangular block of mass m , width b and height H . The block moves with constant velocity, the coefficient of friction is mu_(k) . a. What is the greater height h at which the force F can be applied so that the block will slide without tipping over ? b. Through which point on the bottom face of the block will the resultant of the friction and normal forces act if h=H//2? c. If the block is at rest and coefficient of static friction is mu_(s) what are the various criteria for which sliding or tipping occurs?

A 6 kg block is kept over a rough surface with coefficient of friction mu_(s) = 0.6 and mu_(k) = 0.4 as shown in figure.A time varying force F = 4t (F in newton and t in second) is applied on the block as shown. Plot a graph between acceleration of block and time (g = 10 m//s^(2))

VMC MODULES ENGLISH-INTRODUCTION TO VECTORS & FORCES -level 1
  1. A time varying force F = 5t is applied on a block kept on a rough hor...

    Text Solution

    |

  2. A force F acts on a particle kept on a rough surface as shown in the f...

    Text Solution

    |

  3. Block B is kept on Block A and a force F = 50 N pushes B down as shown...

    Text Solution

    |

  4. A block of mass 4kg rests on a rough horizontal plane. The plane is gr...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |