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Mechanical Engineering :: Engineering Mechanics

  1. The mechanical advantage of a lifting machine is the ratio of

  2. A.

    distance moved by effort to the distance moved by load

    B.

    load lifted to the effort applied

    C.

    output to the input

    D.

    all of the above


  3. Static friction is always __________ dynamic friction.

  4. A.

    equal to

    B.

    less than

    C.

    greater than


  5. A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.

  6. A.

    equal to

    B.

    less than

    C.

    greater than


  7. When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.

  8. A.

    Correct

    B.

    Incorrect


  9. The bodies which rebound after impact are called

  10. A.

    inelastic bodies

    B.

    elastic bodies

    C.

    neither elastic nor inelastic bodies

    D.

    none of these