Home
Class 12
PHYSICS
A man of mass 40 kg is at rest between t...

A man of mass 40 kg is at rest between the walls as shown in the figure. If between the man and the walls is 0.8, find the normal reaction exerted by the walls on the man. (g = `10 ms^(-2)`)

A

100 N

B

250 N

C

80 N

D

50 N

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|157 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A ball of mass 0.5 kg moving with a velocity of 2 m//s strikes a wall normally and bounces back with the same speed . If the time of contact between the ball and the wall is 1 millisecond , the average force exerted by the wall on the ball is

A ball of mass 0.5 kg moving with a velocity of 2 m//s strikes a wall normally and bounces back with the same speed . If the time of contact between the ball and the wall is 1 millisecond , the average force exerted by the wall on the ball is

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 .

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

In the figure, a ladder of mass m is shown leaning against a wall. It is in static equilibrium making an angle theta with the horizontal floor. The coefficient of friction between the wall and the ladder is mu_1 and that between the floor and the ladder is mu_2. the normal reaction of the wall on the ladder is N_1 and that of the floor is N_2. if the ladder is about to slip. than

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 of mass m is at rest under the action of force F against a wall as shown in figure. Which of the following statement is incorrect?

A 50 cm long wire of mass 20 g suports a mass of 1.6 kg as shown in figure. Find the fundamental frequency of the portioin of the strig between the wall and the pulley. Take g=10 ms^-2 .

A body is pushed against vertical wall as shown. If the coefficient of friction between the body and the wall is 0.5, the magnitude of acceleration of the block is 10 K. Where K is

A sphere of mass m slides with velocity v on as frictionless surface towards a smooth inclined wall as shown in figure. If the collision with the wall is perfectly elastic find a. the impulse imparted by the wall on the sphere b the impulse imparted by the floor on the sphere.

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A block of mass 4kg is placed in contact with the front vertical surfa...

    Text Solution

    |

  2. A book of weight 20 N is pressed between two hands and each hand exert...

    Text Solution

    |

  3. A man of mass 40 kg is at rest between the walls as shown in the figur...

    Text Solution

    |

  4. A wooden block is placed on an inclined plane. The block just begins t...

    Text Solution

    |

  5. A block of mass 2 kg rests on a rough inclined plane making an angle o...

    Text Solution

    |

  6. A body takes 1(1/3) times as much time to slide down a rough inclined ...

    Text Solution

    |

  7. A block of mass 2kg is lying on a rough inclined plane. The force need...

    Text Solution

    |

  8. A block sliding down a rough 45° inclined plane has half the velocity ...

    Text Solution

    |

  9. A block is pushed up a rough inclined plane of 45°. If the time of des...

    Text Solution

    |

  10. A rod AB of length 2L and mass m is lying on a horizontal frictionless...

    Text Solution

    |

  11. A body is allowed to slide from the top along a smooth inclined plane ...

    Text Solution

    |

  12. A particle is projected at an angle theta =30^@ with the horizontal, w...

    Text Solution

    |

  13. A 30 kg block is to be moved up an inclined plane at an anglue 30° to ...

    Text Solution

    |

  14. An engine of one metric ton is going up an inclined plane, 1 in 2 at t...

    Text Solution

    |

  15. The minimum force required to move a body up an inclined plane is thre...

    Text Solution

    |

  16. A body of mass 10kg is on a rough inclined plane having an inclination...

    Text Solution

    |

  17. A block of wood of mass 0.5 kg is placed on a plane making 30° with th...

    Text Solution

    |

  18. A body of mass 'm' slides down a smooth inclined plane having an incli...

    Text Solution

    |

  19. A body is sliding down an inclined plane have coefficient of friction ...

    Text Solution

    |

  20. A particle is placed at rest inside a hollow hemisphere of radius R. T...

    Text Solution

    |