Home
Class 11
PHYSICS
A simple pendulum of length I and mass (...

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

`mv^(2)//L`

B

`mg.cos theta + mv^(2)//L`

C

`mg.cos theta -mv^(2)//L`

D

`mg.cos theta`

Text Solution

Verified by Experts

The correct Answer is:
B

From the figure `T = mg cos theta + mv^(2)//L`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN TWO DIMENSION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (HORIZONTAL PROJECTILE MOTION)|11 Videos

  • MOTION IN TWO DIMENSION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (OBLIQUE PROJECTILE MOTION)|47 Videos

  • MOTION IN TWO DIMENSION

    ERRORLESS|Exercise ASSERTION & REASON|19 Videos

  • MOTION IN ONE DIMENSION

    ERRORLESS|Exercise ASSERTION AND REASON|24 Videos

  • NEWTON'S LAWS OF MOTION

    ERRORLESS|Exercise ASSERTION & REASON |18 Videos

Similar Questions

Explore conceptually related problems

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

A conical pendulum of length L makes an angle theta with the vertical. The time period will be

A simple pendulum is released from rest at the horizontally stretched position. When the string makes an angle theta with the vertical, the angle theta which the acceleration vector of the bob makes with the string is given by–

A nail is located at a certain distance vertically below the point of suspension of a simple pendulum. The pendulum bob is released from a position where the string makes an angle of 60^(@) with the vertical. Calculate the distance of nail from the point of suspension such that the bob will just perform revolutions with the nail as centre. Assume the length of the pendulum to be one meter.

A nail is fixed at a point P vertically below the point of suspension 'O' of simple pendulum of length 1 m . The bob is released when the string of pendulum makes an angle 30^@ with horiozontal. The bob reaches lowest point and then describes vertical circle whose centre coincides with P . The least distance of P from O is

A simple pendulum of length l and with a bob of mass m moving alon a circular are of angle theta in a vertical plane. A sphere of mass m is placed at the end of the circular arc. What momentum will be given to the sphere by the moving bob?

A heavy small sized sphere is suspended by a string of length l . The sphere rotates uniformly in a horizontal circle with the string making an angle theta with the vertical. Then the time period of this conical pendulum is-

A simple pendulum of length L has a bob of mass m. The bob is connected to light horizontal spring of force constant k. The spring is relaxed when the pendulum is vertical (see fig (i)). (a) The bob is pulled slightly and released. Find the time period of small oscillations. Assume that the spring remains horizontal. (b) The spring is replaced with an elastic cord of force constant k. The cord is relaxed when the pendulum is vertical (see fig (ii)). The bob is pulled slightly and released. Find the time period of oscillations.

ERRORLESS-MOTION IN TWO DIMENSION-NCERT BASED QUESTIONS (NON-UNIFORM CIRCULAR MOTION)
  1. विराम में स्थित एक 20 किग्रा की वस्तु पर 6 सेकंड के लिए एक अज्ञात बल क...

    Text Solution

    |

  2. A motorcycle is going on an overbridge of radius R. The driver maintai...

    Text Solution

    |

  3. A particle at a distance of 1 m from the origin starts moving such tha...

    Text Solution

    |

  4. a projectile is fired from the surface of the earth with a velocity of...

    Text Solution

    |

  5. One end of a string of length 1.0 m is tied to a body of mass 0.5 kg ....

    Text Solution

    |

  6. The maximum and minimum tension in the string whirling in a circle of ...

    Text Solution

    |

  7. A weightless thread can bear tension upto 37 N . A stone of mass 500 g...

    Text Solution

    |

  8. A stone of mass m is tied to a string and is moved in a vertical circl...

    Text Solution

    |

  9. As per given figure to complete the circular loop what should be the r...

    Text Solution

    |

  10. A particle is moving in a vertical circle with constant speed. The tan...

    Text Solution

    |

  11. A simple pendulum oscillates in a vertical plane. When it passes throu...

    Text Solution

    |

  12. A string of length L is fixed at one end and carries a mass M at the o...

    Text Solution

    |

  13. A stone of mass 1kg tied to a light inextensible sstring of length L=1...

    Text Solution

    |

  14. The angular amplitude of a simple pendulum is theta(0). The maximum te...

    Text Solution

    |

  15. On the centre of a frictionless table, a small hole is made, through w...

    Text Solution

    |

  16. A Particle is kept at rest at the top of a sphere of diameter 42m.when...

    Text Solution

    |

  17. A particle originally at rest at the highest point of a smooth vertica...

    Text Solution

    |

  18. A particle moves in a plane along an elliptic path given by (x^(2))/(a...

    Text Solution

    |

  19. A motorcycle is travelling on a curved track of radius 500 m. If the c...

    Text Solution

    |

  20. A simple pendulum of length I and mass (bob) m is suspended vertically...

    Text Solution

    |