Home
Class 12
PHYSICS
A man tries to remain in equilibrium by ...


A man tries to remain in equilibrium by pushing with his hands and feet against two parallel walls. For equilibrium,

A

he must exert equal forces on the walls

B

the forces of friction at the two walls must be equal

C

friction must be present on both walls

D

the coefficents of friction must be the same between both walls and the man

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS, FORCES

    D MUKHERJEE|Exercise Type 2|22 Videos

  • KINEMATICS, FORCES

    D MUKHERJEE|Exercise Revision Exercise|26 Videos

  • IIT QUESTIONS 5

    D MUKHERJEE|Exercise Matrix matching type|2 Videos

  • MISCELLANEOUS QUESTION 1

    D MUKHERJEE|Exercise Miscellaneous Questions-1 (Straight-Objective Type)|54 Videos

Similar Questions

Explore conceptually related problems

A man balances himself in a horizontal position by pushing his hands and feet against two parallel walls .(see figure of Q.no ). His centre of mass lies midway between the wall s . The coefficients of friction aat the walls are equal . Which of the following is not correct ?

A system consisting of a man on platfrom is in equilibrium. Masses of man and platiform are equal. The platform is in equilibrium due to two massless string is pulled by man resting on platform. Find the ratio of tension in left string to the tension in right string.

A person (40 kg) is managing to be at rest between two verticle walls by pressing one wall A by hi hands and feet and the other wall B by his back figure. Assume that the friction coefficient between his body and the walls is 0.8 and that limiting friction acts at all the contacts. a. show that the person pushes the two walls with equal force. b. find the normal force exerted by either wall on the person Take g=10 m/s^2 .

Suppose the demand and supply curves of a Commodity X is given by the following two equations simultaneously: Qd = 200 - p , Qs = 50 + 2p (i) Find the equilibrium price and equilibrium quantity. (ii) Suppose that the price of a factor of production producing the commodity has changed, resulting in the new supply curve given by the equation: Qs'=80+2p Analyse the new equilibrium price and new equilibrium quantity as against the original equilibrium price and equilibrium quantity.

At equilibrium two cells should have

D MUKHERJEE-KINEMATICS, FORCES-Revision Exercise
  1. A man tries to remain in equilibrium by pushing with his hands and fee...

    Text Solution

    |

  2. Take the z-axis as vertical and the xy plance as horizontal .A particl...

    Text Solution

    |

  3. Two particles moving initially in the same direction undergo a one- di...

    Text Solution

    |

  4. A particle of mass m moving with kinetic energy K, makes a head - on e...

    Text Solution

    |

  5. Aspring of weight W and force constant k is suspended in a horizontal...

    Text Solution

    |

  6. A man balances himself in a horizontal position by pushing his hands a...

    Text Solution

    |

  7. Two blocks A and b are placed on a table and joined by a string . The ...

    Text Solution

    |

  8. A train of length 200m switches on its heat when it starts moving wio...

    Text Solution

    |

  9. A stick is thrown in the air and lands at some distance from the throw...

    Text Solution

    |

  10. A Car stats from rest and moves on a surface on which the coeffcient w...

    Text Solution

    |

  11. A unifrom chain of mass m hannges from a light pulley ,with unequal le...

    Text Solution

    |

  12. A ball of mass m is dropped onto a floor from a certain height. The co...

    Text Solution

    |

  13. An insect of mass m is initially at one end of a stick of length L and...

    Text Solution

    |

  14. Three ships A, B and C are in motion. The motion of A as seen by B is ...

    Text Solution

    |

  15. A point moving along the x-direction starts from rest at x=0 and comes...

    Text Solution

    |

  16. A man of mass m stands on a long flat car of mass M , moving with velo...

    Text Solution

    |

  17. A small body b starts from rest at the hightest point A of a large fi...

    Text Solution

    |

  18. A spring of force constant K rests on a smooth floor, with one end fix...

    Text Solution

    |

  19. A variable force F acts on a body which is free to move. The displacem...

    Text Solution

    |

  20. A cannon shell 1 and 2 km away from the cannon. A second shell, fired ...

    Text Solution

    |

  21. A unifrom heavy chain is placed on a table with a part of it hanging o...

    Text Solution

    |