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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 principle of transmissibility of forces states that, when a force acts upon a body, its effect is

    2. A.

    same at every point on its line of action
    B.

    different at different points on its line of action
    C.

    minimum, if it acts at the centre of gravity of the body
    D.

    maximum, if it acts at the centre of gravity of the body

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  2. A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

    3. A.

    5
    B.

    10
    C.

    20
    D.

    40

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  3. If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.

    4. A.

    Yes
    B.

    No

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  4. Newton's second law motion __________ a relation between force and mass of a moving body.

    5. A.

    gives
    B.

    does not give

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  5. The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

    6. A.

    \(\frac { 1 } { 2n } \sqrt \frac { l } { g }\)
    B.

    \(\frac { 1 } { 2n } \sqrt \frac { g} { l }\)
    C.

    \( 2n \sqrt \frac { l } { g }\)
    D.

    \({ 2n } \sqrt \frac { g} { l }\)

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