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  • Question

  • The friction experienced by a body, when in motion, is known as


  • Options
  • A. rolling friction
  • B. dynamic friction
  • C. limiting friction
  • D. static friction

  • Correct Answer
  • dynamic friction 

    • Engineering Mechanics problems

    Search Results

    • 1. Static friction is always __________ dynamic friction.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 2. The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 3. The range of a projectile is maximum, when the angle of projection is

    • Options
    • A. 30°
    • B. 45°
    • C. 60°
    • D. 90°
      • Discuss
    • 4. The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

    • Options
    • A. static friction
    • B. dynamic friction
    • C. limiting friction
    • D. coefficient of friction
      • Discuss
    • 5. The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 6. According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

    • Options
    • A. increase
    • B. decrease
    • C. remain the same
      • Discuss
    • 8. The mechanical advantage of a lifting machine is the ratio of

    • Options
    • A. distance moved by effort to the distance moved by load
    • B. load lifted to the effort applied
    • C. output to the input
    • D. all of the above
      • Discuss
    • 9. A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

    • Options
    • A. principle of independence of forces
    • B. principle of resolution of forces
    • C. principle of transmissibility of forces
    • D. none of these
      • Discuss

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