Home
Class 12
PHYSICS
A girl finds herself stuck with her back...

A girl finds herself stuck with her back to the wall of a cylinder rotating about its axis. Which diagram correctly shows the forces acting on her?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A cylinder of water, is rotating about its own axis with uniform angular velocity ω. The shape of free surface of water will be

The diagram shows a rough plank resting on a cylinder with one and of the plank on rough ground. Negtect friction between plank and cylinder. Draw digrams to show (a) the force acting on the plank, (b)the force acting on the cylinder.

A spring is compressed against a rigid wall. Draw a neat and labeled diagram showing the forces acting on the spring.

A 70kg man stands in contact against the inner wall of a hollw cylindrical drum of radius 3m rotating about its verticle axis. The coefficient of friction between the wall and his clothing nis 0.15 . What is the minimum rotational speed of the cylinder to enable the man to remain stuck to the wall (without falling) when the floor is suddenly removed?

A 70kg man stands in contact against the inner wall of a hollow cylindrical drum of radius 3m rotating about its verticle axis. The coefficient of friction between the wall and his clothing is 0.15 . What is the minimum rotational speed of the cylinder to enable the man to remain stuck to the wall (without falling) when the floor is suddenly removed?

A 70kg man stands in contact against the inner wall of a hollow cylindrical drum of radius 3m rotating about its vertical axis. The coefficient of friction between the wall and his clothing is 0.15 . What is the minimum rotational speed of the cylinder to enable the man to remain stuck to the wall (without falling) when the floor is suddenly removed?

A 70 kg man stands in contact against the wall of a cylindrical drum of radius 3 m rotating about its vertical axis with 200 rev/min. The coefficient of friction between the wall and his clothing is 0.15. What is the minimum rotational speed of the cylinder to enable the man to remain stuck to the wall (without falling) when the floor is suddenly removed ?

A disc of mass m has a charge Q distributed on its surface. It is rotating about an XX' with a angular velocity omega . The force acting on the disc is

A particle is at rest with respect to the wall of an inverted cone rotating with uniform angular velocity omega about its central axis. The displacement of particle along the surface up or down, the equilibrium of particle is

Show on a diagram the vector that would represent the angular velocity of the earth rotating about its axis.

ALLEN-TEST PAPER-Exercise (Physics)
  1. A man M slides down a curved frictionless track, starting from rest. ...

    Text Solution

    |

  2. An object moves counter-clockwise along the circular path shown below....

    Text Solution

    |

  3. A girl finds herself stuck with her back to the wall of a cylinder rot...

    Text Solution

    |

  4. A puck of mass m is moving in a circle at constant speed on a friction...

    Text Solution

    |

  5. A simple pendulum of bob of mass m and length L has one of its ends fi...

    Text Solution

    |

  6. A small disc can slide in a circular path on a frictionless inclined p...

    Text Solution

    |

  7. Two very small balls A and B of masses 4.0kg and 5.0kg are affixed to ...

    Text Solution

    |

  8. A particle is moving with a velocity of vec(v)=(3hat(i)+4that(j))m//s....

    Text Solution

    |

  9. A particle of mass m oscillates inside a smooth spherical shell of rad...

    Text Solution

    |

  10. An object of mass m is released from rest at a height h above the surf...

    Text Solution

    |

  11. As shown in figure, the left block rests on a table at distance l from...

    Text Solution

    |

  12. The following curve represents a function y=f(x). Find average value o...

    Text Solution

    |

  13. Two students A & B carried out an experiment to measure the time perio...

    Text Solution

    |

  14. A car leaves Kota for Bundi every 12 minutes The distance between Kota...

    Text Solution

    |

  15. Consider following speed time graphs describing motion of two bodies A...

    Text Solution

    |

  16. A projectile takes off with an initial velocity of 50m//s at an angle ...

    Text Solution

    |

  17. A ball is thrown from the top of a 60m high tower with velocity 20sqrt...

    Text Solution

    |

  18. Two particle are moing along X and Y axes towards the origin with cons...

    Text Solution

    |

  19. If system is in equilibrium then find relation between m(1) and m(2)

    Text Solution

    |

  20. The childern are trying to shoot a marble into a marble into a small b...

    Text Solution

    |