ding 78s

in #lsc6 years ago

1.A physical quantity must be expressed with its number and ……….. . 1.unit

  1. A unit is a ……….. quantity. 2.standard
  2. Mass is a ……..quantity. 3.basic
    4.Area is a ……….quantity. 4.derived
    5.The British system is also called the ……. system. 5.FPS
  3. Length , mass and ……. called basic quantities. 6.time
    7.The unit of mass in CGS system is ……….. . 7.gram
    8.We use a ruler for measuring ……….. . 8.length
  4. The SI unit of area is the ……… . 9.m2
    10.The unit of length in …….. is the foot. 10.British system
  5. The standard of the number 5068 is ………. . 11.5.068 x 2103
    The thing that cause the body to move is called ……… .
  6. The magnitude of resultant vector of two vectors have the same magnitude and opposite
    direction is ………. .
  7. The ……… changes the state of motion of a body.
  8. The new vectors obtained from sub-dividing a vector is called ……… .
  9. Q ⃗ and - Q ⃗ are in ……… directions.
  10. Time is not a ……… quantity.
  11. Displacement is not a ……… quantity.
  12. The maximum value of the resultant of two vectors
    The thing that cause the body to move is called ……… .
  13. The magnitude of resultant vector of two vectors have the same magnitude and opposite
    direction is ………. .
  14. The ……… changes the state of motion of a body.
  15. The new vectors obtained from sub-dividing a vector is called ……… .
  16. Q ⃗ and - Q ⃗ are in ……… directions.
  17. Time is not a ……… quantity.
  18. Displacement is not a ……… quantity.
  19. The maximum value of the resultant of two vectors
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