esosl lso

in #lsc6 years ago

One mega watt is equivalent to ……… watt.

  1. If the work done in 9s is 63 J, the power is ……. .
  2. There are …….. W in 1 hp.
  3. 1 kW power is ……… than 1 hp.
  4. The unit watt is the same as …… .
  5. The unit one joule per second is equivalent to ……… .
  6. The mechanical advantage of a machine depends on the ………. present.
  7. Mechanical advantage is the ratio of the …… to the effort.
  8. The velocity ratio is usually much greater than ………. .
  9. If a machine is …….. the mechanical advantage will be equal to the velocity ratio.
    26.The ability to retain the original form is called ……… .
  10. The ratio of the stress to the strain is ……… .
  11. A spring obeys ……… law.
  1. Newton’s first law gives the idea of ……… .
    (2) By Newton’s second law , the acceleration is directly proportional to ……… .
    (3) Newton’s third law express the idea of ………. .
    (4) Action force and reaction force cannot ……… out each other.
    (5) Force has both magnitude and ……. .
    (6) Force is a ……… quantity.
    (7) The SI unit for force is ……….. .
    (8) Mass is a measure of ………. .
    (9) The attracting force of the earth acting on a body is defined as ……… .
    (10) Weight is a …….. quantity.
    (11) One newton is equal to …….
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