logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Engineering Mechanics Comments
  • Question

  • 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

  • Correct Answer
  • Newton's second law of motion 

    • Engineering Mechanics problems

    Search Results

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

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

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

    • Options
    • A. Force
    • B. Speed
    • C. Velocity
    • D. Acceleration
      • Discuss
    • 5. 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
    • 6. The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

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

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

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

    • Options
    • A. velocity
    • B. acceleration
    • C. momentum
    • D. none of these
      • Discuss
    • 10. If the body falls freely under gravity, then the gravitational acceleration is taken as

    • Options
    • A. +8.9 m/s2
    • B. -8.9 m/s2
    • C. +9.8 m/s2
    • D. -9.8 m/s2
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.