Home
Class 11
PHYSICS
The coefficient of static friction, betw...

The coefficient of static friction, between block A of mass 2 kg and the table as shown in the figure
is 0.2. What would be the maximum mass of block B, so that the two blocks do not move ? The string and the pulley are assumed to be smooth and massless.

A

2.0 kg

B

4.0 kg

C

0.2 kg

D

0.4 kg

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Centre of mass

    MODERN PUBLICATION|Exercise Exercise|30 Videos
  • Dynamics of Circular Motion

    MODERN PUBLICATION|Exercise Exercise|81 Videos

Similar Questions

Explore conceptually related problems

The position time graph of a body of mass 2 kg is as given in the figure. What iws the impulse on the body at t = 0 s and t = 4 s.

A block of mass 15 kg is placed on a long trolley. The coeffcient os static friction between the block and the trolley is 0.18. The trolley accelerates from rest with 0.5 m s^-2 for 20 s and then moves with uniform velocity. Discuss the motion of the block as viewed by:- an observer moving with the trolley.

A block of mass 15 kg is placed on a long trolley. The coeffcient os static friction between the block and the trolley is 0.18. The trolley accelerates from rest with 0.5 m s^-2 for 20 s and then moves with uniform velocity. Discuss the motion of the block as viewed by:- a stationary observer on the ground.

A block of mass 15 kg is placed on a long trolley. The coefficient of friction between the block and the trolley is 0.18. The trolley accelerate from rest with 0.5 ms^-2 for 20 s and then moves with unifrom velocity. Discuss the motion of the block as viewd by an observer with the trolley.

The rear side of a truck is open and a box of 40 kg mass is placed 5 m away from the open end as shown. The coefficient of friction between the box and the surface below its is 0.15. On a straight road, the truck starts from rest and accelerates with 2 ms^-2 . At what distance from the starting point does the box fall off the truck ?/ (Ignore the size of the box).

The rear side of a truck is open and a box of 40 kg mass is placed 5 m away from the open end as shown in Fig. 5.22. The coeffcient of friction between the box and the surface below it is 0.15. On a straight road, the truck starts from rest and accelerates with 2 m s^-2 . At what distance from the starting point does the box fall off the truck? (Ignore the size of the box).

A block f mass M is held against a rough vertical wall by pressing it with a finger. If the coefficient of friction between the block and the wall is mu and the acceleration due to gravity is g. calculate the minimum force required to be applied by the finger to hold the block against the wall?

A uniform electric field E exists between two charged plates as shown in Fig.HQ 2. What would be the work donw in moving a charge q along the closed rectangular path ABCDA?

A 2 cm cubical lock of mass 2 kg is lying on the ground What is the pressure exerted by the block on the ground?

Figure 5.18 shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1 m s^-2 . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt ? (Mass of the man = 65 kg.)

MODERN PUBLICATION-Competitive Exam Question-Exercise
  1. Consider a car moving along a straight horizontal road with a speed of...

    Text Solution

    |

  2. A block B is pushed momentarily along a horizontal surface with an ini...

    Text Solution

    |

  3. The coefficient of static friction, between block A of mass 2 kg and t...

    Text Solution

    |

  4. When a body slides down from rest along a smooth inclined plane making...

    Text Solution

    |

  5. A chain of mass M and length L is placed on a table, such that only a ...

    Text Solution

    |

  6. A block of mass m is in contact with the cart C as shown in the figure...

    Text Solution

    |

  7. If a ladder is not in equilibrium against a smooth vertical wall, then...

    Text Solution

    |

  8. A ball of mass 0.25 kg attached to the end of a string of length 1.96 ...

    Text Solution

    |

  9. A stone of mass 1 kg, tied to the nd of a 1 m long string, is whirled ...

    Text Solution

    |

  10. A particle of mass M is moving in a horizontal circle radius R with un...

    Text Solution

    |

  11. A small sphere is attached to a cord and rotates in a vertical circle ...

    Text Solution

    |

  12. A tube of length L is filled completely with an incompressible liquid ...

    Text Solution

    |

  13. A stone tied to string of length l is whirled in a vertical circle wit...

    Text Solution

    |

  14. A 60 kg man jumps to a height of 0.8 m. Find the impulse provided by t...

    Text Solution

    |

  15. Three masses connected by massless string are placed on a horizontal f...

    Text Solution

    |

  16. As shown in Fig. , mass of bodies is equal to m. If coefficient of fr...

    Text Solution

    |

  17. Fig. shows two blocks A and B having masses 1 kg and 2 kg respective...

    Text Solution

    |

  18. Fig. shows two blocks A and B having masses 1 kg and 2 kg respectively...

    Text Solution

    |

  19. A block of mass 5 kg is placed on a horizontal surface and a pushing f...

    Text Solution

    |

  20. A conveyor belt is moving at a constant speed of 2 m s^(-1). A box is ...

    Text Solution

    |