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  • Question

  • If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be
    If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tens


  • Options
  • A. same
  • B. half
  • C. double

  • Correct Answer
  • half 

    • Engineering Mechanics problems

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    • 1. The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, ? = Angle of projection, and ? = Inclination of the plane with the horizontal.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

    • Options
    • A. bh3/4
    • B. bh3/8
    • C. bh3/12
    • D. bh3/36
      • Discuss
    • 3. During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

    • Options
    • A. equal to
    • B. equal and opposite to
    • C. less than
    • D. greater than
      • Discuss
    • 4. Work done is said to be zero, when

    • Options
    • A. some force acts on a body, but displacement is zero
    • B. no force acts on a body but some displacement takes place
    • C. either (a) or (b)
    • D. none of the above
      • Discuss
    • 5. The unit of angular acceleration is

    • Options
    • A. N-m
    • B. m/s
    • C. m/s2
    • D. rad/s2
      • Discuss
    • 6. The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.

    • Options
    • A. less than
    • B. more than
    • C. equal to
      • Discuss
    • 7. The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.

    • Options
    • A. depends
    • B. does not depend
      • Discuss
    • 8. A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 9. If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is __________ the momentum of body having mass m2.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 10. Coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

    • Options
    • A. Yes
    • B. No
      • Discuss

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