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, - (. 24).

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q, ( ), (. 24).

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. 25

 

1. ( , ) (. 25).

2. ( , ).

3. (. 25).

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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.

 

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