logo

CuriousTab

CuriousTab

Discussion

Home ‣ Civil Engineering ‣ Applied Mechanics Comments
  • Question

  • A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane which causes the body just to move up the plane. If the angle of inclination of the plane is ? and angle of friction is ?, the minimum value of P, is


  • Options
  • A. A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane whic
  • B. A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane whic
  • C. A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane whic
  • D. A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane whic

  • Correct Answer
  •  

    • Applied Mechanics problems

    Search Results

    • 1. The reaction at the support B of the beam shown in below figure is

    • Options
    • A. 1.6 t
    • B. 9.6 t
    • C. 8.5 t
    • D. 0.5 t.
      • Discuss
    • 2. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

    • Options
    • A. 2 T
    • B. 1/2 T
    • C. 2 T
    • D. 3 T
    • E. none of these.
      • Discuss
    • 3. If the angle of projection is double the angle of inclination (?) of the plane on which particle is projected, the ratio of times of fligh up the inclined plane and down the inclined plane, will be

    • Options
    • A.
    • B.
    • C.
    • D. 2 cos ?.
      • Discuss
    • 4. The unit of force in C.G.S. system of units, is called

    • Options
    • A. dyne
    • B. Newton
    • C. kg
    • D. all the above.
      • Discuss
    • 5. If the velocity of projection is 4 m/sec and the angle of projection is ?°, the maximum height of the projectile from a horizontal plane, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is

    • Options
    • A. 1.5
    • B. 5
    • C. 25
    • D. 314
      • Discuss
    • 7. The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called

    • Options
    • A. dyne
    • B. Netwon
    • C. joule
    • D. erg.
      • Discuss
    • 8. The intrinsic equation of catenary is

    • Options
    • A. S = c tan ?
    • B. y = c cosh x/c
    • C. y = c cosh ?
    • D. y = c sinh ?.
      • Discuss
    • 9. The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

    • Options
    • A. 30°
    • B. 45°
    • C. 60°
    • D. 75°.
      • Discuss
    • 10. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is

    • Options
    • A. 15
    • B. 18
    • C. 20
    • D. 26.
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.