Home
Class 12
PHYSICS
A string of length L and mass M is lying...

A string of length L and mass M is lying on a horizontal table. A force F is applied at one of its ends. Tension in the string at a distance x from the end at which force is applied is

A

Zero

B

F should be equal to the weight of A and B

C

F(L-x)/L

D

F(L-x)M

Text Solution

Verified by Experts

The correct Answer is:
C

`T=(M)/(L)(L-x)x(F)/(M)`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-I|52 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

A uniform rope of length L is pulled by a constant force F. What is the tension in the rope at a distance l from the end where it is applied?

A chain of mass M and length L is held vertical by fixing its upper end to a rigid support. The tension in the chain at a distance y from the rigid support is:

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m as shown in A horizontal force F is applied to one end of the rope. Find (a) the acceleration of the rope and block (b) the force that the rope exerts on the block (c) the tension in the rope at its mid point

Two bodies A and B of masses 10kg and 15kg respectively kept on a smooth, horizontal surface are tied to the ends of a light string. If T represents the tension in the string when a horizontal force F=500N is applied to A (as shown in figure 1) and T' be the tension when it is applied to B (figure2), then which of the following is true?

A man of mass m stands at the left end of a uniform plank of length L and mass M, which lies on a frictionaless surface of ice. If the man walks to the other end of the plank, then by what distance does the plank slide on the ice?

A rod of mass m and length l is hinged at one of its ends A as shown in figure. A force F is applied at a distance x from A . The acceleration of centre of mass varies with x as -

Two bodies of m asses 10 kg and 20 kg respectively kept on a smooth, horizontal surface are tied to the ends of a light string, a horizontal force F = 600 N is applied to (i) A, (ii) B along the direction of string. What is the tension in the string in each case ?

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m . Force P is applied at one end of rope. The force which the rope exerts on the block is:

A steel rope has length L area of cross-section A young's modulus Y [density =d] (i) it is pulled on a horizotnal fritionless floor with a constant horizontal force F=|dALg|//2 applied at one end find the strain at the midpoint. (ii). If the steel rope is vertical and moving with the force acting vertically up at the upper end find the strain at distance L/3 from lowerr end.

ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-II
  1. The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate...

    Text Solution

    |

  2. In the fig. mass M=10gm. Is placed on an inclined plane. In order to k...

    Text Solution

    |

  3. A machine gun fires bullets of 50gm at the speed of 1000m/sec. If an a...

    Text Solution

    |

  4. The mechanical advantage of a wheel axle is 5 what will be thereforce ...

    Text Solution

    |

  5. A body of mass 100g is sliding on a inclined plane with an inclination...

    Text Solution

    |

  6. As shown in figure a monkey of 20g mass is holding a light rope that p...

    Text Solution

    |

  7. A bird is sitting on the floor of a wire cage and the cage is in the h...

    Text Solution

    |

  8. Two bodies A (30 kg) and B (50 kg) tied with a light string are placed...

    Text Solution

    |

  9. Weight is defined as:-

    Text Solution

    |

  10. A string of length L and mass M is lying on a horizontal table. A forc...

    Text Solution

    |

  11. A man is standing on a sparing platform, Reading of spring balaance is...

    Text Solution

    |

  12. A rocket of mass 120kg. Is fired in the gravity free space is ejected ...

    Text Solution

    |

  13. If 100N force is applied to 10kg. block as shown in diagram then accel...

    Text Solution

    |

  14. If a ladder is not in balance against a smooth vertical wall, then it ...

    Text Solution

    |

  15. A block is dragged on a smooth plane with the help of a rope which mov...

    Text Solution

    |

  16. In the arrangement shown in the Fig, the ends P and Q of an unstretcha...

    Text Solution

    |

  17. A trolley of mass 5 kg on a horizontal smooth surface is pulled by a l...

    Text Solution

    |

  18. A weightless inextensible rope rests on a stationary wedge forming an ...

    Text Solution

    |

  19. If acceleration of M is a then acceleration of m is

    Text Solution

    |

  20. If acceleration of A is 2m//s^(2) to left and acceleration of B is 1m/...

    Text Solution

    |