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Engineering Mechanics problems

  • 1. 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
  • 2. 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
  • 3. Coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

  • Options
  • A. Yes
  • B. No
    • Discuss
  • 4. Moment of inertia of a hollow circular section, as shown in the below figure about X-axis, is
    Mechanical Engineering Engineering Mechanics: Moment of inertia of a hollow circular section, as shown in the below figure about X-axis, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 5. Moment of inertia of a circular section about an axis perpendicular to the section is

  • Options
  • A. ?d3/16
  • B. ?d3/32
  • C. ?d4/32
  • D. ?d4/64
    • Discuss
  • 6. The coefficient of restitution for elastic bodies is one.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss
  • 7. If a number of forces are acting at a point, theirresultant will be inclined at an angle ? with the horizontal, such that

  • Options
  • A. tan ? = ?H/?V
  • B. tan ? = ?V/?H
  • C. tan ? = ?Vx?H
  • D.
    • Discuss
  • 8. The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss
  • 9. Mechanical Engineering Engineering Mechanics: The above figure sh
    The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

  • Options
  • A. P/2
  • B. 2P
  • C.
  • D.
    • Discuss
  • 10. When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss

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