Home
Class 12
PHYSICS
A man holds a 2 kg book between his palm...

A man holds a 2 kg book between his palms. so that each hand exerts the same horizontal force on the book. The coefficient of static friction between the palms and the book is 0.4 and g = `10ms^(-2)`. If the book is prevented from falling, the least force exerted by each hand on the book is

A

50 N

B

25 N

C

75 N

D

100 N

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - II|117 Videos
  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|6 Videos
  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|16 Videos

Similar Questions

Explore conceptually related problems

Two blocks of masses 3kg and 2kg are placed beside each other in contact with each other on a rough horizontal surface. A horizontal force of 20N is applied on 3kg. The coefficient of friction between blocks and the surface is 0.1 and g = 10ms^(-2) . The force of contact between the two blocks is

A block of mass 20kg is pushed with a horizontal force of 90N. If the coefficient of static & kinetic friction are 0.4 & 0.3, the frictional force acting on the block is: (g =10ms^(-2) )

AAKASH SERIES-LAWS OF MOTION-PRACTICE EXERCISE
  1. A body of mass 5kg rests on a rough horizontal surface of coefficient ...

    Text Solution

    |

  2. A block of mass 1 kg is pressed against a wall by applying a horizonta...

    Text Solution

    |

  3. A man holds a 2 kg book between his palms. so that each hand exerts th...

    Text Solution

    |

  4. A duster weighs 0.5N. It is pressed against a vertical board with a ho...

    Text Solution

    |

  5. A body is in contact with the vertical front part of the truck. The co...

    Text Solution

    |

  6. A body of mass M is pressed between two hands. Each hand exerts a hori...

    Text Solution

    |

  7. If the angle of inclination of the inclined plane is sin^(-1) ((1)/(2)...

    Text Solution

    |

  8. A block of mass 'm' rests on a rough inclined plane making an angle 30...

    Text Solution

    |

  9. A given object takes n times more time to slide down a 45^(@)rough inc...

    Text Solution

    |

  10. A cube of weight 10N rests on a rough inclined plane of slope 3 in 5. ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. An object takes 1 second to slide down a rough 45^(@) inclined plane. ...

    Text Solution

    |

  14. A body slides down a smooth plane starting from rest in 4sec. Time tak...

    Text Solution

    |

  15. A block is lying on an inclined plane which makes an angle of 60^@ wit...

    Text Solution

    |

  16. A 10sqrt3 kg box has to move up an inclined slope of 60^(@) to the hor...

    Text Solution

    |

  17. The minimum force required to move a body up an inclined plane is two ...

    Text Solution

    |

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

    Text Solution

    |

  19. A block of wood mass 5kg is placed on a plane making an angle 30^(@) w...

    Text Solution

    |

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

    Text Solution

    |