Home
Class 11
PHYSICS
A plumb line is suspended from a ceiling...

A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a . What will be the angle of inclination with vertical

A

`tan^(-1)(a//g)`

B

`tan^(-1)(g//a)`

C

`cos^(-1)(a//g)`

D

`cos^(-1)(g//a)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.10 Conditions of equilibrium of a rigid body)|1 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

A simple pendulum is suspended from the roof of a train . If the train is moving with an acceleration 49 cm/s^2 . Then the angle of inclination of the string about the vertical will be

A block of mas M is resting on an inclined plane as shown in the figure. The inclination of the plane to the horizontal is gradually increased. It is found that when the angle of inclination is theta the block just begins to slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane ?

At what angle will the horizontal range be maximum?

A particle of mass 'm' is suspended from a ceiling through a string of length'L'. If the particle moves in a horizontal circle of radius 'r', then the speed of the particle is

A bob is suspended from an ideal string of length l. Now it is pulled to a side till the string makes an angle 60^@ to the vertical and whirled along a horizontal circle. Then its period of revolution is

At a place ,the vertical component of earth's magnetic field is sqrt(3) times its horizontal component . What will be the angle of dip at that place ?

A wooden box of mass 8kg slides down an inclined plane of inclination 30^(@) to the horizontal with a constant acceleration of 0.4ms^(-2) What is the force of friction between the box and inclined plane ? (g = 10m//s^(2)) .

A body of mass m is suspended from a string of length l. What is minimum horizontal velocity that should be given to the body in its highest position so that it may complete one full revolution in the vertical plane with the point of suspension as the centre of the circle.

A heavy ball of mass M is suspended from the ceiling of a car by a light string of mass m (m< < M) . When the car is at rest, the speed of transverse waves in the string is 60 ms^(-1) . When the car has acceleration a, the wave-speed increases to 60.5 ms^(-1) . The value of a, in terms of gravitational acceleration g, is closest to

A body of mass 5 kg moves with an acceleration of 4 m/s^(2) in a straight line. What will be the change in its momentum in 2 seconds?

TARGET PUBLICATION-FORCE -Competitive Theinking (Miscellaneous)
  1. One end of a massless rope, which passes over a massless and frictionl...

    Text Solution

    |

  2. A string of negligible mass going over a clamped pulley of mass m supp...

    Text Solution

    |

  3. A plumb line is suspended from a ceiling of a car moving with horizont...

    Text Solution

    |

  4. A body of mass 10 kg is upon by a force given by equation F=(3t^(2)-30...

    Text Solution

    |

  5. The velocity (v) of a particle (under a force F) depends on its distan...

    Text Solution

    |

  6. A body of mass m=10^(2) kg is moving in a medium and experiences a fr...

    Text Solution

    |

  7. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  8. A body of mass m = 3.513 kg is moving along the x-axis with a speed of...

    Text Solution

    |

  9. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  10. If a street light of mass M is suspended from the end of a uniform rod...

    Text Solution

    |

  11. Two spherical bodies of mass M and 5M & radii R & 2R respectively are ...

    Text Solution

    |

  12. A ball is released from the top of a tower. The ratio of work done by ...

    Text Solution

    |

  13. Hammer of mass M strikes a nail of mass 'm' with a velocity 20 m/s int...

    Text Solution

    |

  14. Two particle A and B initially at rest, move towards each other under ...

    Text Solution

    |

  15. Two particles of equal mass have velocities vec v1 = 2 hat i= m//s^-1 ...

    Text Solution

    |

  16. Assertion : If there is no external torque on a body about its centre ...

    Text Solution

    |

  17. Assertion:A table cloth can be pulled from a table without dislodging ...

    Text Solution

    |

  18. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |

  19. Two blocks of equal mass are released on two smooth sides of a duble i...

    Text Solution

    |

  20. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |