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  • Question

  • If a number of forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are not in equilibrium.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Disagree 

    • Engineering Mechanics problems

    Search Results

    • 1. The unit of mass moment of inertia in S.I. units is kg-m2.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.

    • Options
    • A. directly
    • B. inversely
      • Discuss
    • 3. Which of the following is a scalar quantity?

    • Options
    • A. Force
    • B. Speed
    • C. Velocity
    • D. Acceleration
      • Discuss
    • 4. The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

    • Options
    • A. 5
    • B. 10
    • C. 20
    • D. 40
      • Discuss
    • 6. The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

    • Options
    • A. Newton's first law of motion
    • B. Newton's second law of motion
    • C. Newton's third law of motion
    • D. none of these
      • Discuss
    • 7. The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Energy may be defined as the capacity of doing work.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 9. In the shown figure, the tension (T) in the string will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The rate of change of displacement of a body is called

    • Options
    • A. velocity
    • B. acceleration
    • C. momentum
    • D. none of these
      • Discuss

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