phychem st

in sto •  7 years ago 

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.

  1. One newton is equal to ……. dyne.
    (12) There are ……….. fundamental forces.
    (13) The gravitational force is a ……… range force .
    (14) Weight has both magnitude and ………. .
    (15) The SI unit of weight is ……… .
    (16) Mass is a scalar quantity and its SI unit is ……… .
    (17) The gravitational force interact between ………. .
    (18) The weight of 50 kg mass is ……….. .
    (19) The nuclear force is a ……. range force.
    (20) The ratio of mass to volume is defined
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