Home
Class 11
PHYSICS
A 1N pendulum bob is held at an angle th...

A `1N` pendulum bob is held at an angle `theta` from the vertical by a `2N` horizontal force `F` as shown in figure. The The tension in the string supporting the pendulum bob (in newton) is
.

A

`cos theta`

B

`(2)/(cos theta)`

C

`sqrt5`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
C

`T cos theta = W, T sin theta =F, T = sqrt(W^(2)+F^(2))`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -III|31 Videos
  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise NCERT BASED QUESTION|33 Videos
  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -I (C.W)|47 Videos
  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos
  • OSCILLATIONS

    NARAYNA|Exercise EXERCISE - IV|41 Videos

Similar Questions

Explore conceptually related problems

A pendulum bob of mass m charge q is at rest with its string making an angle theta with the vertical in a uniform horizontal electric field E. The tension in the string in

The string of a pendulum is horizontal. The mass of the bob is m. Now the string is released. The tension in the string in the lowest position is -

A pendulum bob 'm' is released from rest from horizontal position as shown in the figure. ltbr. Choose the position where the chance of. Braking of the string is maximum.

As shown in figure the tension in the horizontal cord is 30 N . The weight W and tension in the string OA in Newton are

A conical pendulum consists of a simple pendulum moving in a horizontal circle as shown in the figure. C is the pivot, O the centre of the circle in which the pendulum bob moves and omega the constant angular velocity of the bob. If vecL is the angular momentum about point C , then

The tension in the string of a simple pendulum is maximum, when the bob of the pendulum

A conical pendulum consists of a bob of mass m in motion in a circular path in a horizontal plane as shown in figure. During the motion, the supporting wire of length l . Maintains a constant angle theta with the vertical. The magnitude of the angular momentum of the bob about the vertical dashed line is. .

A simple pendulum of length I and mass (bob) m is suspended vertically. The string makes an angle theta with the vertical. The restoring force acting on the pendulum is

A simple pendulum of length l and mass (bob) m is suspended vertically. The string makes an angle theta with the vertical. The restoring force acting on the pendulum is

NARAYNA-NEWTONS LAWS OF MOTION-LEVEL -II (C.W)
  1. Two masses M(1) and M(2) connected by means of a string which is made ...

    Text Solution

    |

  2. If O is at equilibrium then the values of the tension T(1) and T(2) ar...

    Text Solution

    |

  3. A 1N pendulum bob is held at an angle theta from the vertical by a 2N ...

    Text Solution

    |

  4. The coefficient of friction between a hemispherical bowl and an insect...

    Text Solution

    |

  5. A 500kg horse pulls a cart of mass 1500kg along a level road with an a...

    Text Solution

    |

  6. An aeroplane requires for take off a speed of 108 kmph the run on the ...

    Text Solution

    |

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

    Text Solution

    |

  8. A man of mass 65kg is standing stationary with respect to a conveyor b...

    Text Solution

    |

  9. A man of mass 60kg sitting on ice pushes a block of mass 12kg on ice h...

    Text Solution

    |

  10. A vehicle of mass M is moving on a rough horizontal road with a moment...

    Text Solution

    |

  11. The rear side of a truck is open A box of 40kg mass is placed 5m away ...

    Text Solution

    |

  12. A block A of mass 3kg and another block B of mass 2kg are connected by...

    Text Solution

    |

  13. A block slides down a rough inclined plane of slope angle theta with a...

    Text Solution

    |

  14. The minimum force required to start pushing a body up rough (frictiona...

    Text Solution

    |

  15. The horizontal acceleration that should be given to a smooth inclined ...

    Text Solution

    |

  16. A body is released from the top of a smooth inclined plane of inclinat...

    Text Solution

    |

  17. The force required to move a body up a rough inclined plane is double ...

    Text Solution

    |

  18. A smooth block is released at rest on a 45^(@) incline and then slides...

    Text Solution

    |

  19. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  20. A 30kg box has to move up an inclined plane of slope 30^(@) the horizo...

    Text Solution

    |