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  • Question

  • 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. The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projecti
  • B. The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projecti
  • C. The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projecti
  • D. The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projecti

  • Correct Answer
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    • Engineering Mechanics problems

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    • 1. 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
    • 2. 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
    • 3. 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
    • 4. The unit of angular acceleration is

    • Options
    • A. N-m
    • B. m/s
    • C. m/s2
    • D. rad/s2
      • Discuss
    • 5. The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. 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

    • Options
    • A. same
    • B. half
    • C. double
      • Discuss
    • 7. 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
    • 8. The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.

    • Options
    • A. depends
    • B. does not depend
      • Discuss
    • 9. 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
    • 10. 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

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