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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

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  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

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

  6. A.

    Agree

    B.

    Disagree

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

  8. A.

    Agree

    B.

    Disagree

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  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)

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