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Civil Engineering :: Applied Mechanics and Graphic Statics

  1. A smooth cylinder lying on its convex surface remains

  2. A.

     In stable equilibrium

    B.

     In unstable equilibrium

    C.

     In neutral equilibrium

    D.

     Out of equilibrium


  3. A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is

  4. A.

     0°

    B.

     30°

    C.

     45°

    D.

     90°


  5. The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is

  6. A.

     64 J

    B.

     400 J

    C.

     464 J

    D.

     89 J


  7. Angular acceleration of a particle may be expressed as

  8. A.

     Radians/sec²

    B.

     Degrees/sec²

    C.

     Revolutions/sec

    D.

     All the above


  9. A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is

  10. A.

     4

    B.

     6 7i

    C.

     8TC

    D.

     8