3
, nr2  pionowej tarczy w
2
, nr3  pionowej tarczy w
2
2
kg/m, nr6 
jest 1.0 metr.
Rysunek 1
(1)
= = =
" " "
= = =
gdzie Qi, xCi, yCi oraz zCi
(2)
= = = ,
ëÅ‚ öÅ‚
= ìÅ‚ ÷Å‚ + = E"
íÅ‚ Å‚Å‚
= =
= =
= =
= =
= =
= =
ëÅ‚ öÅ‚
÷Å‚
= ìÅ‚ + =
íÅ‚ Å‚Å‚
ëÅ‚ öÅ‚
= ìÅ‚ + ÷Å‚ =
íÅ‚ Å‚Å‚
ëÅ‚ öÅ‚
= ìÅ‚ + ÷Å‚ =
íÅ‚ Å‚Å‚
4
= =
=
ëÅ‚ öÅ‚
= ìÅ‚ + ÷Å‚ =
íÅ‚ Å‚Å‚
2
Numer
obiektu obiektu  obiektów
Qi [kg]
xCi [m] yCi [m] zCi [m] Qi xCi [kgm] Qi yCi [kgm] Qi zCi [kgm]
1 30 3.125 2.5 3.75 93.75 75 112.5
2 42 5 2 1.5 210 84 63
3 30 2.5 4 1.5 75 120 45
4 31.28 0.833 2 4 26.06 62.56 125.12
5 25 2.5 0 3 62.5 0 75
6 24 0 0 1.5 0 0 36
Suma 182.28 467.31 341.56 456.62
odpowiednio:
=
=
=
= = E"
= E" E"
= E" E"
3
Rysunek 2
4