Home
Class 12
PHYSICS
A uniform rod of length 2L, area of cros...

A uniform rod of length 2L, area of cross - section A and Young's modulus Y is lying at rest under the action of three forces as shown.

Select the correct alternatives.

A

`1.5*10^-2 m`

B

`10^-1 m`

C

`2*10^-2 m`

D

`5*10^-2 m`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 12

    AAKASH INSTITUTE ENGLISH|Exercise Example|18 Videos

  • MOCK TEST 14

    AAKASH INSTITUTE ENGLISH|Exercise Example|20 Videos

Similar Questions

Explore conceptually related problems

A force F doubles the length of wire of cross-section a The Young modulus of wire is

A uniform cylindrical rod of length L, cross-section area A and Young's modulus Y is acted upon by the force as shown in Fig. 7(CF).3. The elongation of the rod is

A body is in equilibrium under the action of three coplanar forces P,Q and R as shown in figure. Select the correct statement.

A metal wire of length L, area of cross-section A and young's modulus Y is stretched by a variable force F such that F is always slightly greater than the elastic forces of resistance in the wire. When the elongation of the wire is l

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Ratio of elongation in section PQ of rod and section QR of rod is

A block of mass M is suspended from a wire of length L, area of cross-section A and Young's modulus Y. The elastic potential energy stored in the wire is

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Total elastic potential energy stored in the rod is :

A uniform rod of length l , mass m , cross-sectional area A and Young's modulus Y is rotated in horizontal plane about a fixed vertical axis passing through one end, with a constant angular velocity omega . Find the total extension in the rod due to the tension produced in the rod.

A cord of mass m length L, area of cross section A and Young's modulus y is hanging from a ceiling with the help of a rigid support. The elogation developed in the wire due to its own weight is

A uniform copper bar of density rho , length L , cross - sectional area S and young's modulus Y is moving horizontally on a frictionless surface with constant acceleration a_(0) . Find (a) the stress at the center of the wire , (b) total elongation of the wire .

AAKASH INSTITUTE ENGLISH-MOCK TEST 13-Example
  1. The orbital speed of geostationary satellite is around

    Text Solution

    |

  2. Weightlessness in satellite is due to

    Text Solution

    |

  3. If a body of mass m is raised to height 2 R from the earths surface, t...

    Text Solution

    |

  4. E, U and K represent total mechanical energy. potential energy and kin...

    Text Solution

    |

  5. A satellite is revolving around earth in a circular orbit of radius 3 ...

    Text Solution

    |

  6. Two bodies of masses m1 and m2 are initially at rest placed infinite ...

    Text Solution

    |

  7. According to Hooke's law of elasticity if stress is increased, the rat...

    Text Solution

    |

  8. A steel rod has a radius of cross-sectional area is R= 10 mm and lengt...

    Text Solution

    |

  9. A spherical ball contracts in radius by 2%, when subjected to a normal...

    Text Solution

    |

  10. Assertion:- Materials can be stretched even beyond proportionality lim...

    Text Solution

    |

  11. What is the Young's modulus for a perfect rigid body?

    Text Solution

    |

  12. If the load of a wire is increases such that its stress is twice as th...

    Text Solution

    |

  13. Copper of fixed volume V is drawn into wire of length l. When this wir...

    Text Solution

    |

  14. A lead cube of side 20 cm is subjected under a shearing force of magni...

    Text Solution

    |

  15. Which is the following is correct (symbol have their usual meaning)

    Text Solution

    |

  16. A uniform rod of length 2L, area of cross - section A and Young's modu...

    Text Solution

    |

  17. Elastic potential energy density of a given stretch wire is proportion...

    Text Solution

    |

  18. A long rod of steel under a tensile stress due to the force acting on ...

    Text Solution

    |

  19. Which of the following relations is true?

    Text Solution

    |

  20. The diagram represents the applied force F per unit area with the corr...

    Text Solution

    |