Question

FIB : 1. To every ____ there is an ____ and ____ reaction. 2. The SI unit of momentum is ____.

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Answer

Question

Fill in the blanks

  1. To every ____ there is an ____ and ____ reaction.
  2. The SI unit of momentum is ____.
  3. In nature forces always occur in ____.
  4. Newton’s first law holds good in the ____ frame.
  5. ____ provides the measure of the inertia of a body.
  6. A rocket works on the principle of conservation of ____.
  7. SI unit of force is ____.
  8. The ratio of the SI to the CGS unit of force is ____.
  9. In any collision, the principle of conservation of  ____ along holds.
  10. Action and reaction always act on two ____ bodies.
  11. In collision and explosions, the total ____ remains constant, provided that no external ____ acts.

Answer

  1. action, equal, opposite
  2. kgm/s
  3. pairs
  4. inertial
  5. mass
  6. momentum
  7. Newton (N)
  8. 105
  9. momentum
  10. different
  11. momentum, force

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