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  • Question

  • For a simple pendulum, the period of one oscillation is


  • Options
  • A. 2?l/2g
  • B. 2?2g/l
  • C. 2?l/g
  • D. 2?g/2l.

  • Correct Answer
  • 2?l/g 

    • Applied Mechanics problems

    Search Results

    • 1. The height at which the end of a rope of length l should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

    • Options
    • A. l
    • B.
    • C.
    • D.
    • E. none of these.
      • Discuss
    • 2. Newtons's Law of Motion is :

    • Options
    • A. Every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force
    • B. The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts
    • C. To every action, there is always an equal and opposite reaction
    • D. All the above.
      • Discuss
    • 3. The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
    • E. 4.5
      • Discuss
    • 4. For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is

    • Options
    • A. ? = -
    • B. ? = +
    • C. ? = -
    • D. ? = -
    • E. ? = -
      • Discuss
    • 5. For a simple pendulum, time period for a beat, is

    • Options
    • A. ?l/g
    • B. ?2l/g
    • C. ?g/2l
    • D. ?l/2g
    • E. ?2g/l.
      • Discuss
    • 6. A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

    • Options
    • A. 5 N
    • B. 10 N
    • C. 15 N
    • D. 25 N
    • E. None of these.
      • Discuss
    • 7. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

    • Options
    • A. concurrent
    • B. parallel
    • C. concurrent parallel
    • D. none of these.
      • Discuss
    • 8. The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is

    • Options
    • A. 1/4
    • B. 1/2
    • C. 3/4
    • D. 2.
      • Discuss
    • 9. The c.g. of the shaded area of the below figure from the x-axis is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 10. The velocity of a body fallen from height h, on reaching the ground is given by

    • Options
    • A. v = 2gh
    • B. v = 2gh2
    • C. v = 2gh
    • D. v = 1/2gh
    • E. h2/2g
      • Discuss

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