mathcad - mec 2

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7/17/2019 Mathcad - Mec 2

http://slidepdf.com/reader/full/mathcad-mec-2 1/1

P1 30 P2 30 Q 10

VA VB P1 Q 0.6 P2 66 kN

VBP1 0.2 Q .6( ) 0.3 P2 0.4

0.633 kN

VA 66 VB 33 kN

0 x

L

3   V(x)=VA-Qx

L

3x

2

3 L V(x)=VA-Qx-P1

2

3L x  < L V(x)=VA-P1-P2

0 x

L

3   M(x)=VA.x -

Qx2

2

L

3x

2

3 L M(x)=VA.x- VA-

Qx2

2-P1.x-

L

3

2

3L x  < L M(x)=VA.x- VA-

Qx2

2-P1.x-

L

3-P2.x-

2

3L

Obs.Aplicativo Americano no Brasil considerar espelhado em (x)

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