logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Engineering Mechanics Comments
  • Question

  • 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.


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 

    • Engineering Mechanics problems

    Search Results

    • 1. The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 2. The acceleration of a particle moving with simple harmonic motion, at any instant is given by

    • Options
    • A. ?.y
    • B. ?2.y
    • C. ?2 /y
    • D. ?3.y
      • Discuss
    • 3. The minimum force required to slide a body of weight W on a rough horizontal plane is

    • Options
    • A. W sin ?
    • B. W cos ?
    • C. W tan ?
    • D. none of these
      • Discuss
    • 4. The motion of a particle round a fixed axis is

    • Options
    • A. translatory
    • B. rotary
    • C. circular
    • D. translatory as well as rotatry
      • Discuss
    • 5. The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

    • Options
    • A. less than
    • B. greater than
      • Discuss
    • 6. A machine having an efficiency less than 50%, is known as

    • Options
    • A. reversible machine
    • B. non-reversible machine
    • C. neither reversible nor non-reversible machine
    • D. ideal machine
      • Discuss
    • 7. The loss of kinetic energy during elastic impact is zero.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 8. Newton's second law motion __________ a relation between force and mass of a moving body.

    • Options
    • A. gives
    • B. does not give
      • Discuss
    • 9. Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

    • Options
    • A. bh3/4
    • B. bh3/8
    • C. bh3/ 12
    • D. bh3/ 36
      • Discuss
    • 10. If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

    • Options
    • A. change
    • B. does not change
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.