Home
Class 12
PHYSICS
A rod is in rest against a smooth vertic...

A rod is in rest against a smooth vertical wall and a rough horizontal surface. Find the ratio of total reaction by wall & surface.

A

`3/sqrt(109)`

B

`sqrt(109)/3`

C

`sqrt(109)/2`

D

`2/sqrt(109)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos
  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|455 Videos

Similar Questions

Explore conceptually related problems

A stationary uniform rod of mass 'm', length 'l' leans against a smooth vertical wall making an angle theta with horizontal floor. Find the normal force & frictional force that is exerted by the floor on the rod ?

The ball of mas m moves with speed v againest a smooth , fixed vertical circular groove of radius R kept on smooth horizontal surface find the a. normal reaction of the floor or the ball. b. normal reaction of the vertical wall on the ball.

A block of mass 2kg is held at rest against a rough vertical wall by passing a horizontal (normal) force of 45 N . Coefficient of friction between wall and the block is equal to 0.5. Now a horizontal force of 15 N (tangential to wall) is also applied on the block. Then the block will :

A ladder of mass 10kg is held at reat against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is

A ladder of length 20 feet rests against a smooth vertical wall. The lowerend, which is on a smooth horizontal floor is moving away from the wall at the rate of 4 feet/sec. If the lower end is 12 feet away from the wall, then the rate at which the upper end move, is

A block of weight W is held against a vertical wall by applying a horizontal force of 75N . The surface3 of the wall is rough. Now (conside mult1)

A ladder rests against a vertical wall at angle alpha to the horizontal . If is foot is pulled away from the wall through a distance 'a' so that it slides a distance 'b' down the wall making the angle beta with the horizontal , then a =

A uniform quarter circular thin rod of mass M and radius R is pivoted at a point B on the floor. It can rotate freely in the vertical plane about B. It is supported by a smooth vertical wall at its other free end A so that it remains at rest. Find the reaction force of wall on the rod.

If a ladder is not in balance against a smooth vertical wall, then it can be made in balance by :-

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. Two parallel wires carry same magnitude current that is a. Distance be...

    Text Solution

    |

  2. For an amplitude modulated wave is given by y(t) = 10[1+0.4 cos(2 pi ...

    Text Solution

    |

  3. A rod is in rest against a smooth vertical wall and a rough horizontal...

    Text Solution

    |

  4. The resistance of a wire is 2 Omega at 10^0 C and 3 Omega at 30^0 C. F...

    Text Solution

    |

  5. Two identical bodies are at separation d and force between them is F. ...

    Text Solution

    |

  6. Fringe width in YDSE for wavelength lambda = 5000 dot(A) is 1.2mm. The...

    Text Solution

    |

  7. Water flowing through a nozzle of cross section area 1 cm^2 strikes a ...

    Text Solution

    |

  8. A ball is dropped from a height of 180m. After 2s another ball is thro...

    Text Solution

    |

  9. Assertion- If energy of incident photon is less than work function of ...

    Text Solution

    |

  10. vec(A) and vec(B) are two vectors having equal magnitude. If magnitude...

    Text Solution

    |

  11. A rod of original length L hangs with one end free. It expands to L1 &...

    Text Solution

    |

  12. A body blasts into 3 pieces of mass 1:1:2. Two bodies moves with speed...

    Text Solution

    |

  13. Heat given 300 cal carnot engine rejects 225 cal. Temperature of sourc...

    Text Solution

    |

  14. At a certain place the angle of dip is 30^(@) and the horizontal compo...

    Text Solution

    |

  15. Escape velocity on planet 1 is given as 12 m/s . If density of another...

    Text Solution

    |

  16. A particle performing SHM with A = 10cm is given impulse at x = 5cm su...

    Text Solution

    |

  17. Average intensity of an EM wave is I = 0.22 W/m^2 then magnetic field ...

    Text Solution

    |

  18. For two unit vectors hat(A) and hat(B), it is given that hat(A) + ha...

    Text Solution

    |

  19. A spherical shell of radius R is rolling on a level horizontal surface...

    Text Solution

    |

  20. Vander Waal Equation of (p + a/v^2)(v-b) = RT. What are the dimension ...

    Text Solution

    |