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.
(15) Velocity has both _____ and direction.
(16) The rate of change of distance travelled is called _____ .
(17) Uniform motion is motion with _____ velocity.
(18) Any change in velocity gives rise to _____ .
(19) Motion with changing velocity is called _____ motion.