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Mechanical Engineering :: Engineering Mechanics

  1. The acceleration of a particle moving with simple harmonic motion is __________ at themean position.

  2. A.

    zero

    B.

    minimum

    C.

    maximum

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  3. The velocity of a particle moving with simple harmonic motion is __________ at the mean position.

  4. A.

    zero

    B.

    minimum

    C.

    maximum

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  5. A framed structure is imperfect, if the number of members are __________ (2j - 3).

  6. A.

    equal to

    B.

    less than

    C.

    greater than

    D.

    either (b) or (c)

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  7. The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad / s2, is

  8. A.

    a = α/ r

    B.

    a = α.r

    C.

    a = r / α

    D.

    none of these

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  9. The total energy possessed by a system of moving bodies

  10. A.

    is constant at every instant

    B.

    varies from point to point

    C.

    is maximum in the start and minimum at the end

    D.

    is minimum in the start and maximum at the end

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