cet june

in #lsc6 years ago

. The ……… changes the state of motion of a body.

  1. The new vectors obtained from sub-dividing a vector is called ……… .
  2. Q ⃗ and - Q ⃗ are in ……… directions.
  3. Time is not a ……… quantity.
  4. Displacement is not a ……… quantity.
  5. The maximum value of the resultant of two vectors acting at a point occurs when they are in
    ………. directions.
  6. If the sum of the vectors is zero, the two vectors have same magnitude and ………
    directions.
    11.Quantities that have only ………. are called scalars.
  1. The unit of speed and velocity are the _____ .
    (6) If the starting point and the end point are the same , the displacement is _____ .
    (7) A body with decreasing positive velocity has a _____ acceleration.
    (8) _____ is the magnitude of the velocity.
    (9) If a body is moving with constant velocity , its acceleration is _____ .
    (10) _____ is the rate of change of velocity.
    (11) The velocity of a body is decreasing is has _____ acceleration.
    (12) The equation v ̅ =(v_0+v)/2 can be used when the body is moving with _____ acceleration.
    (13) Displacement does not depend on the _____ travel.
    (14)Speed is a _____ quantity.