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  • Question

  • 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.

  • Correct Answer
  • 2 T 

    • Applied Mechanics problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 4. If ? and u are angle of projection and initial velocity of a projectile respectively, the total time of flight, is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is

    • Options
    • A. 350 m
    • B. 375 m
    • C. 400 m
    • D. 425 m.
      • Discuss
    • 6. 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
    • 7. 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.
    • B.
    • C.
    • D.
      • Discuss
    • 8. 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
    • 9. 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
    • 10. 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

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