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  • Question

  • A satellite moves in its orbit around the earth due to


  • Options
  • A. Gravitational force
  • B. Centripetal force
  • C. Centrifugal force
  • D. none of these.

  • Correct Answer
  • Centripetal force 

    • Applied Mechanics problems

    Search Results

    • 1. The unit of Moment of Inertia of a body, is

    • Options
    • A. m
    • B. m2
    • C. m3
    • D. m4
    • E. none of these.
      • Discuss
    • 2. Work may be defined as

    • Options
    • A. force x distance
    • B. force x velocity
    • C. force x acceleration
    • D. none of these.
      • Discuss
    • 3. The length of a Second's pendulum, is

    • Options
    • A. 99.0 cm
    • B. 99.4 cm
    • C. 100 cm
    • D. 101 cm
    • E. 101.10 cm.
      • Discuss
    • 4. A projectile is thrown at an angle a to the horizontal with ? velocity v. It will have the maximum centripetal acceleration

    • Options
    • A. at the start
    • B. at the top of the trajectory
    • C. as it strikes the ground
    • D. else where.
      • Discuss
    • 5. A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

    • Options
    • A. 200 tonnes at the centre
    • B. 500 tonnes at the centre
    • C. 200 tonnes at the right support
    • D. 200 tonnes at the left support.
      • Discuss
    • 6. If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is movng downwards, the acceleration of the lift, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

    • Options
    • A. 0.02 m
    • B. 2 m
    • C. 2.5 m
    • D. 20 m.
      • Discuss
    • 8. Pick up the correct statement from the following :

    • Options
    • A. For tranquil flow h > 2g or v <
    • B. For critical flow
    • C. For torrential flow h > or v < gh
    • D. None of these.
      • Discuss
    • 9. Pick up the correct statement regarding Borda's mouth piece running full from the following :

    • Options
    • A. Actual velocity at the out let is gH
    • B. Theoretical velocity at the outlet is 2gH
    • C. Coefficient of velocity is 1/2
    • D. Coefficient of contraction is 1
    • E. All the above.
      • Discuss
    • 10. Bernoulli's equation assumes that

    • Options
    • A. fluid is non-viscous
    • B. fluid is homogeneous
    • C. flow is steady
    • D. flow is along the stream line
    • E. all the above.
      • Discuss

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