( Law of Inertia):
. .
( Motion Law ) :
.
( Action and Reaction):
.
:
- .
- ɡ .
- .
.......
ǡ . ɡ ɡ ɡ ѡ . . ǡ . ѡ .
ǡ . ( ) ( ).
. ʡ ǡ . ɡ . - ()- ( = 0) - - - - .
=
ɡ . ѡ . ѡ :
=
:
= 2 / 1 2
(2 "" 2 * ). . (9.8) / . (4.9) (9.8) / . (19.6) ѡ (19.6) / .
. . . ޡ :
= /
. ɡ . ʡ ( ) . . .
--------------------------------------------------------------------------------
( Law of Inertia):
. .
( Motion Law ) :
.
( Action and Reaction):
.
:
- .
- ɡ .
- .