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  • Question

  • Pick up the correct statement from the following :


  • Options
  • A. Nature plays an important role in the launch of a satellite
  • B. The earth's gravity reduces the speed of a satellite by 32 km per second
  • C. The gravitational force relents as the satellite climbs higher
  • D. The gravitational intensity declines with height
  • E. All the above.

  • Correct Answer
  • All the above. 

    • Applied Mechanics problems

    Search Results

    • 1. Maximum efficiency of a screw jack for the angle of friction ?, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

    • Options
    • A. 500 metres
    • B. 1000 metres
    • C. 1500 metres
    • D. 2000 metres
    • E. 25000 metres.
      • Discuss
    • 3. The product of mass and velocity of a moving a body, is called

    • Options
    • A. moment
    • B. momentum
    • C. power
    • D. impulse.
      • Discuss
    • 4. The c.g. of a thin hollow cone of height h, above its base lies on the axis, at a height of

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

    • Options
    • A. 40 kg
    • B. 60 kg
    • C. 10 kg
    • D. 100 kg.
      • Discuss
    • 6. The C.G. of a right circular cone lies on its axis of symmetry at a height of

    • Options
    • A. h/2
    • B. h/3
    • C. h/4
    • D. h/5
    • E. h/6.
      • Discuss
    • 7. Joule is the unit of

    • Options
    • A. work
    • B. force
    • C. power
    • D. torque
    • E. none of these.
      • Discuss
    • 8. The c.g. of the shaded area of the below figure whose curve OM is a parabola from y-axis, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 9. When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

    • Options
    • A. imaginary work
    • B. negative work
    • C. virtual work
    • D. none of these.
      • Discuss
    • 10. The equation of motion of a particle starting from rest along a straight line is x = t3 - 3t2 + 5. The ratio of the accelerations after 5 sec and 3 sec will be

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
      • Discuss

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