Home
Class 11
PHYSICS
The bar is subjected to equal and opposi...

The bar is subjected to equal and opposite forces as shown in the figure PQ is plane making angle with the cross-section of the bar. If the area of cross-section be 'a', then what is the tensile stress on PQ ?

A

F/a

B

`(F cos theta)/(a)`

C

`(F cos^2 theta)/(a)`

D

`(F )/(a cos^2 theta )`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE - 2 (STRAIN ENERGY )|16 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH SERIES|Exercise EXERCISE-3|43 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise Practice Exercise|84 Videos

Similar Questions

Explore conceptually related problems

Write the angle opposite to side bar(PQ) in /_\PQR

A wire of length 1m and radius 1mm is subjected to a load. The extension is 'x'. The wire is melted and then drawn into a wire of square cross-section of side 1mm. What is its extension under the same load?

When a wire of length 10 m is subjected to a force of 100 N along its length, the lateral strain produced is 0.01 xx 10^3 m . The Poisson's ratio was found to be 0.4. If the area of cross-section of wire is 0.025 m^2, its Young's modulus is

AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 3
  1. A long steel wire of length 'L' is suspended from the ceiling of a roo...

    Text Solution

    |

  2. A 2 m long rod of radius 1 cm which is fixed from one end is given a t...

    Text Solution

    |

  3. A steel wire of mass 3.16Kg is stretched to a tensile strain of 1xx10^...

    Text Solution

    |

  4. One end of a long metallic wire of length L, area of cross-section A a...

    Text Solution

    |

  5. On loading a metal wire of cross section 10^(-6) m^2 and length 2m by ...

    Text Solution

    |

  6. A uniform slender rod of length L, cross - sectional area A and young...

    Text Solution

    |

  7. A tension of 22N is applied to copper wire of crosssectional area 0.02...

    Text Solution

    |

  8. Two wires of diameter 0.25 cm, one made of steel and the other made of...

    Text Solution

    |

  9. The bar is subjected to equal and opposite forces as shown in the figu...

    Text Solution

    |

  10. Two cylinders A and B of the same materials have same length. Their ra...

    Text Solution

    |

  11. The potential energy U between the two molecules as a function of the ...

    Text Solution

    |

  12. One end of a horizontal thick copper wire of length 2L and radius 2R i...

    Text Solution

    |

  13. Force constants of two wires A and B of the same material are k and 2k...

    Text Solution

    |

  14. Two block of masses 1 kg 2 are connected by a metal wire going over a ...

    Text Solution

    |

  15. What is the density of lead under a pressure of 2 xx 10^8Nm^(-2) , if ...

    Text Solution

    |

  16. Each of three blocks shown in figure has a mass 3kg. The wire connecti...

    Text Solution

    |

  17. A tension of 20 N is applied to a copper wire of cross sectional area ...

    Text Solution

    |

  18. A uniform rectangular block of mass 50 kg is hung horizontally with th...

    Text Solution

    |

  19. A spring of force constant k is cut in to lengths of ratio 1:2:3. They...

    Text Solution

    |

  20. The bulk modules of a spherical is 'B'. If it is subjected to uniform ...

    Text Solution

    |