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  • Question

  • The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at


  • Options
  • A. 30°
  • B. 45°
  • C. 60°
  • D. 90°

  • Correct Answer
  • 90° 

    • Applied Mechanics problems

    Search Results

    • 1. The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

    • Options
    • A. sliding friction
    • B. rolling friction
    • C. limiting friction
    • D. none of these.
      • Discuss
    • 2. The reaction RB of the roller support B of the beam shown in below figure is

    • Options
    • A. 10.8 t
    • B. 10.6 t
    • C. 10.4 t
    • D. 10.2 t.
      • Discuss
    • 3. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

    • Options
    • A. 7 kg
    • B. 1 kg
    • C. 5 kg
    • D. 1/7 kg
    • E. none of these.
      • Discuss
    • 4. If v and ? are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius r, will be

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. r?.
      • Discuss
    • 5. If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

    • Options
    • A. 20 rad/sec
    • B. 15 rad/sec
    • C. 10 rad/sec
    • D. 5 rad/sec.
      • Discuss
    • 6. ? is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is

    • Options
    • A. ?
    • B. 2?
    • C. 3?
    • D. ?.
      • Discuss
    • 7. Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is

    • Options
    • A. 350 m
    • B. 375 m
    • C. 400 m
    • D. 425 m.
      • Discuss
    • 8. If ? and u are angle of projection and initial velocity of a projectile respectively, the total time of flight, is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. If the velocity of projection is 4 m/sec and the angle of projection is ?°, the maximum height of the projectile from a horizontal plane, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The unit of force in C.G.S. system of units, is called

    • Options
    • A. dyne
    • B. Newton
    • C. kg
    • D. all the above.
      • Discuss

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