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  • Question

  • Pick up the correct statement from the following for the structure shown in below figure.
    Pick up the correct statement from the following for the structure shown in below figure. The horizo


  • Options
  • A. The horizontal reaction at A is 23t ?
  • B. The horizontal reaction at C is 23t ?
  • C. The vertical reaction at A is zero
  • D. The vertical reaction at C is 2 t ?
  • E. All the above.

  • Correct Answer
  • All the above. 

    • Applied Mechanics problems

    Search Results

    • 1. M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is

    • Options
    • A. (D4 + d4)
    • B. (D4 - d4)
    • C. (D4 + d4)
    • D. (D4 x d4).
      • Discuss
    • 2. A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

    • Options
    • A. 0.5 m/sec
    • B. 1.5 m/sec
    • C. 2.5 m/sec
    • D. 3.5 m/sec
    • E. 4.5 m/sec.
      • Discuss
    • 3. If ? and u are the angle of projection and initial velocity of a projectile respectively, the horizontal range of the projectile, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. Power can be expressed as

    • Options
    • A. work/energy
    • B. work/time
    • C. work x time
    • D. work/distance.
      • Discuss
    • 5. Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

    • Options
    • A. 5 Newtons
    • B. 8 Newtons
    • C. 10 Newtons
    • D. 12 Newtons.
      • Discuss
    • 6. The ratio of the reactions RA and RB of a simply supported beam shown in below figure is

    • Options
    • A. 0.50
    • B. 0.40
    • C. 0.67
    • D. 1.00
    • E. 1.50
      • Discuss
    • 7. A 50 kg boy climbs up a 8 m rope in gymnasiam in 10 sec. The average power developed by the boy is approximately

    • Options
    • A. 400 watts
    • B. 500 watts
    • C. 4000 watts
    • D. none of these.
      • Discuss
    • 8. The following statement is one of the laws of Dynamic friction

    • Options
    • A. The force of friction always acts in a direction opposite to that in which a body is moving
    • B. The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction
    • C. For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed
    • D. all the above.
      • Discuss
    • 9. A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

    • Options
    • A. 70 m/sec.
    • B. 75 m/sec.
    • C. 80 m/sec.
    • D. 85 m/sec.
    • E. 90 m/sec.
      • Discuss
    • 10. The velocity of a moving body, is

    • Options
    • A. a vector quantity
    • B. a scalar quantity
    • C. a scalar as well as a vector quantity
    • D. none of these.
      • Discuss

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