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Mechanical Engineering :: Engineering Mechanics

Engineering Mechanics - Section 1
Engineering Mechanics - Section 2
Engineering Mechanics - Section 3
Engineering Mechanics - Section 4
Engineering Mechanics - Section 5
Engineering Mechanics - Section 6
Engineering Mechanics - Section 7

  1. The moment of the force P about O as shown in the below figure is

    2. A.

    P x OA
    B.

    P x OB
    C.

    P x OC
    D.

    P x AC

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  2. According to lami's theorem

    3. A.

    the three forces must be equal
    B.

    the three forces must be at 120° to each other
    C.

    the three forces must be in equilibrium
    D.

    if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two

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  3. Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

    4. A.

    two times
    B.

    same
    C.

    half

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  4. The amplitude is always __________ radius of the circle.

    5. A.

    equal to
    B.

    less than
    C.

    greater than

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  5. When a body falls freely under gravitational force, it possesses __________ weight.

    6. A.

    no
    B.

    minimum
    C.

    maximum

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