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Mechanical Engineering :: Engineering Mechanics

  1. 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

  2. A.

    Iω

    B.

    Iω2

    C.

    0.5Iω

    D.

    0.5Iω2


  3. The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

  4. A.

    20N

    B.

    100N

    C.

    500N

    D.

    none of these


  5. The motion of the body from one extremity to the other is known as a beat.

  6. A.

    Agree

    B.

    Disagree


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

  8. A.

    Agree

    B.

    Disagree


  9. A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints.

  10. A.

    equal to

    B.

    less than

    C.

    greater than

    D.

    either (b) or (c)