.. :
= .. + , (5.34)
.. = + + . (5.35)
6
, , .
" " :
= ·F···(i)·z. (5.36)
. .7.1.
. .7.2. . .7.3. i- (i) . .7.4.
: (1 ), (2), (3), (4) (5).
, , . .7.5.
.. , , , , :
. = + + . (5.37)
, , . , -, , (, , ) .., ..( ):
= + . + ... (5.38)
-, .
(, , , ) . , , . ., , .
|
|
.., , s- , .. .. , Fs, , :
. = ·( + . + .). (5.39)