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  • Question

  • If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equals


  • Options
  • A. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equa
  • B. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equa
  • C. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equa
  • D. If the resultant of two forces P and Q acting at an angle ? makes an angle ? with P, then tan ? equa

  • Correct Answer
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    • Applied Mechanics problems

    Search Results

    • 1. 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
    • 2. 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.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. M.I. of solid sphere, is

    • Options
    • A. 2/3 Mr2
    • B. 2/5 Mr2
    • C. Mr2
    • D. ?r4/2
    • E. 1/2 Mr2.
      • Discuss
    • 10. The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane

    • Options
    • A. to be zero
    • B. to be maximum
    • C. to be minimum
    • D. none of the these.
      • Discuss

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