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  • Question

  • The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is


  • Options
  • A. 20N
  • B. 100N
  • C. 500N
  • D. none of these

  • Correct Answer
  • 500N 

    • Engineering Mechanics problems

    Search Results

    • 1. All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is

    • Options
    • A. I?
    • B. I?2
    • C. 0.5I?
    • D. 0.5I?2
      • Discuss
    • 3. The cartesian equation of trajectory is(where u = Velocity of projection, ? = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. The moment of inertia of a thin rod of mass m and length l,about an axis through its centre of gravity and perpendicular to its length is

    • Options
    • A. ml2/4
    • B. ml2/ 6
    • C. ml2/8
    • D. ml2/12
      • Discuss
    • 5. A body is said to move or vibrate with simple harmonic motion if its acceleration is directed towards the mean position.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Two equal and opposite parallel forces whose lines of action are different, can be replaced by a single force parallel to the given forces.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 7. The centre of gravity of a rectangle lies at a point where its two diagonals meet each other.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 8. The time of flight of a projectile on downward inclined plane depends upon

    • Options
    • A. angle of projection
    • B. angle of inclination of the plane
    • C. both (a) and (b)
    • D. none of these
      • Discuss
    • 9. The motion of the body from one extremity to the other is known as a beat.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 10. Moment of inertia of a hollow rectangular section as shown in the below figure about X-X axis, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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