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  • Question

  • In ideal machines, mechanical advantage is __________ velocity ratio.


  • Options
  • A. equal to
  • B. less than
  • C. greater than

  • Correct Answer
  • equal to 

    • Engineering Mechanics problems

    Search Results

    • 1. The maximum acceleration of a particle moving with simple harmonic motion is

    • Options
    • A. ?
    • B. ?r
    • C. ?2r
    • D. ?/r
      • Discuss
    • 2. Which of the following are vector quantities?

    • Options
    • A. Linear displacement
    • B. Linear velocity
    • C. Linear acceleration
    • D. all of these
      • Discuss
    • 3. The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. Concurrent forces are those forces whose lines of action

    • Options
    • A. lie on the same line
    • B. meet at one point
    • C. meet on the same plane
    • D. none of these
      • Discuss
    • 5. If u1 and u2 are the velocities of two moving bodies in the same direction before impact and v1 and v2 are their velocities after impact, then coefficient of restitution is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. The centre of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

    • Options
    • A. 3r/ 8
    • B. 4r/ 3?
    • C. 8r/3
    • D. 3r/4?
      • Discuss
    • 7. In a framed structure, as shown in the below figure, the force in the member AC is numerically equal to the force in member BC.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 8. The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. Two bodies of masses m1,and m2 are hung from the ends of a rope, passing oyer a frictionless pulley as shown in the figure below. The acceleration of the string will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

    • Options
    • A. upwards
    • B. downwards
      • Discuss

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