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Wektor glówny Wg:
Wg[Wgx,Wgy,Wgz)
Wgx=-8 Wgy=6 Wgz=0
Wg=[-8 , 6, 0]
Moment głowny
Mg[Mgx,Mgy,Mgz]
Mgx=-Py ·zA=-6·4=-24
Mgy=0
Mgz=Qx·yB=8·6=48
Parametr to rzut Momentu glownego na wektor glowny
p=Mg·cosα
ale
|Wg|=√(64+36)=10
|Mg|=√(24²+48²)=√(24²+4·24²)=24√5
p=Is/|Wg=192/10=19,2
Pozdr
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