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.
, - (. 24).
. 24
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q, ( ), (. 24).
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. 25
1. ( , ) (. 25).
2. ( , ).
3. (. 25).
.
R = Σ Fi
M = Σ Mi .
.
Rx = Σ Fix = Qx
Ry = Σ Fiy = Qy
Mx = Σ Mx (Fi)
My = Σ My (Fi)
Mz = Σ Mz (Fi)
.
1. Σ Fix + Qx = 04. Σ Mx (Fi) + Mx = 0
2. Σ Fiy + Qy = 05. Σ My (Fi) + My = 0
3. Σ Fiz + Nz = 0 6. Σ Mz (Fi) + Mz = 0
Qx, Qy, Nz, Mx, My, Mz.
, , , .
:
1. .
2. ?
3. ?
4. ()?
5. . .
6.
1.
2. .
3.