Muab cov roj rau qhov hnyav ntawm tooj liab
Luj ntawm cov xwmfab purple tooj liab bar (kg)
= 0}. 0089 X Sab Dav X Sab Dav Dav Dav Dav Dav Dav Dav Dav X Ib Nta
Nyhav ntawm lub square brass bar (kg):
{= 0. 0085 x sab dav dav x sab dav dav}. 008}}. 008}
Hexagonal tooj dag bar hnyav (kg):
}=0. 0077 x rov qab sab qhov hnyav x rov qab rau sab dav X rov qab sab dav dav
Hexagonal tooj dag bar hnyav (kg):
Hnyav=0. 00736 x dav ntawm sab x ntev {2}}. 00736 x dav ntawm sab nraud x ntev
Ntshav tooj dag phaj nyhav (kg):
{= 0. 0089 x thickness X dav phaus {2}}. 0089 x thickness x tuab
Brass phaj hnyav (kg):
{= 0. 0085 x thickness X dav phaus {}}. 0085 x tuab x tuab x ntev
Qhov hnyav ntawm puag ncig Purple tooj dag raj (kg):
Hnyav=0. 028 x Phab ntsa th thalness X (sab phab ntsa tuab) x (txheej ntsa
Hloov tooj dag Tube hnyav (kg):
Phaus hnyav=0. 0267 x Phab ntsa thuv phab ntsa th (}}. 0267 x Phab ntsa thickness x (od - Phab ntsa tuab) x ntev
Hloov Ntshav tooj dag tooj dag bar hnyav (kg):
= 0}. 00698 x inche phaus {2}}.}}. Inteter x inch
Hloov tooj dag Bar hnyav (kg):
{= 0. 00668 x Inch X Inch {2}}. Inter X Inch X Ntev
Tooj Liab Nqe Lus Formula
Nqe=hnyav x unit tus nqi nqe chav nqe {}} hnyav x chav ntsuas
Piv txwv li, koj muaj ib ntu ntawm cov xim paj paj puag ncig tooj liab Qws 10 metres ntev thiab 2 centimeters hauv lub taub. Ua ntej tshaj tawm nws qhov hnyav:
Qhov hnyav=0. 00698 x 20 x 20 x {}}. 27 x 20 10=27. 92 kg
Piv txwv tias cov chav tsev ntawm tooj liab violet yog $ 50 rau ib kilogram, tus nqi ntawm ntu tooj liab no yog:
Nqe=27. 92 kg}. 92 kg {}} $} $}. 92 kg}} $ 1396
