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  • Question

  • The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane of the lamina and passing through its centre, is


  • Options
  • A. The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane
  • B. The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane
  • C. The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane
  • D. The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane
  • E.

  • Correct Answer
  •  

    • Applied Mechanics problems

    Search Results

    • 1. The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

    • Options
    • A. circle
    • B. equilateral triangle
    • C. rectangle
    • D. square
    • E. right angled triangle.
      • Discuss
    • 2. A point subjected to a number of forces will be in equilibrium, if

    • Options
    • A. sum of resolved parts in any two directions at right angles, are both zero
    • B. algebraic sum of the forces is zero
    • C. two resolved parts in any two directions at right angles are equal
    • D. algebraic sum of the moments of the forces about the point is zero
    • E. none of these.
      • Discuss
    • 3. A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by

    • Options
    • A. 5.5 kg
    • B. 6.25 kg
    • C. 8.75 kg
    • D. 10.5 kg.
      • Discuss
    • 5. Periodic time of body moving with simple harmonic motion, is

    • Options
    • A. directly proportional to its angular velocity
    • B. directly porportional to the square of its angular velocity
    • C. inversly proportional to the square of its angular velocity
    • D. inversely proportional to its angular velocity.
      • Discuss
    • 6. The load shared by the member BC of the structure shown in below figure is

    • Options
    • A. 23t
    • B. 32t
    • C. 4 t
    • D. 3 t.
      • Discuss
    • 7. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equals

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central dip is y, the horizontal pull at each support, is

    • Options
    • A.
    • B.
    • C.
    • D. wl.
      • Discuss
    • 9. The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 10. A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be

    • Options
    • A. zero
    • B. 0.5 m/sec
    • C. 1.0 m/sec
    • D. 2.0 m/sec.
      • Discuss

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