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  • Question

  • The centre of gravity of a rectangle lies at a point where its two diagonals meet each other.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 

    • Engineering Mechanics problems

    Search Results

    • 1. Two equal and opposite parallel forces whose lines of action are different, can be replaced by a single force parallel to the given forces.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 2. The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

    • Options
    • A. 20N
    • B. 100N
    • C. 500N
    • D. none of these
      • Discuss
    • 3. All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is

    • Options
    • A. I?
    • B. I?2
    • C. 0.5I?
    • D. 0.5I?2
      • Discuss
    • 5. The cartesian equation of trajectory is(where u = Velocity of projection, ? = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. The time of flight of a projectile on downward inclined plane depends upon

    • Options
    • A. angle of projection
    • B. angle of inclination of the plane
    • C. both (a) and (b)
    • D. none of these
      • Discuss
    • 7. The motion of the body from one extremity to the other is known as a beat.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 8. Moment of inertia of a hollow rectangular section as shown in the below figure about X-X axis, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The force induced in the string BC due to the load W as shown in the below figure is

    • Options
    • A. W sin ?
    • B. W cos ?
    • C. W tan ?
    • D. W cot ?
      • Discuss
    • 10. The velocity ratio of a differential wheel and axle with D as the diameter of effort wheel and d1,and d2 as the diameters of larger and smaller axles respectively, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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