Problema representacion de las emociones presentacion 27-11-10 version ppx
Problema 11
3
∑ fy =0 ↔ Ray + Rby=12 T+2 T Ray +Rby=14 T…. ¿ 0 ∑ MA=0 ↔Rby ( 6 )−12 T ( 3) −2 T ( 3) =0 Rby ( 6) −36 T−6 T=0 Rby ( 6)−42 T=0 Rby=7 T…. ¿ 1 Reemplazando ( ¿¿¿ 1) en ( ¿¿¿ 0 ) ¿¿ Ray +7 T=14 T Ray=7 T
-
Upload
dante-alfonso-urquia-neyra -
Category
Documents
-
view
218 -
download
0
description
ejerccio de estuctura
Transcript of Problema 11
![Page 1: Problema 11](https://reader036.fdocuments.es/reader036/viewer/2022082506/563db870550346aa9a93b0ed/html5/thumbnails/1.jpg)
∑ fy=0↔Ray+Rby=12T +2T
Ray+Rby=14 T….¿0
∑MA=0↔Rby (6 )−12T (3 )−2T (3 )=0
Rby (6 )−36T−6T=0
Rby (6)−42T=0
Rby=7T….¿1
Reemplazando(¿¿¿1)en (¿¿¿0)¿¿
Ray+7T=14T
Ray=7T
![Page 2: Problema 11](https://reader036.fdocuments.es/reader036/viewer/2022082506/563db870550346aa9a93b0ed/html5/thumbnails/2.jpg)
Calculamos diagramsde fuerzacortante V ( x ) y momento flector M (x ) .
∑ fy=0↔7−2 x−V ( x )=0
V ( x )=7−2x
∑M=0↔M ( x )+2 x . x2−7 x=0
M (x )=7 x−x2
![Page 3: Problema 11](https://reader036.fdocuments.es/reader036/viewer/2022082506/563db870550346aa9a93b0ed/html5/thumbnails/3.jpg)
∑ fy=0↔7−2x−2−V ( x )=0
5−2x−V ( x )=0
V ( x )=5−2 x
∑M=0↔M ( x )+2 ( x−3 )+2 x . x2−7 x=0
M (x )=−x2+5 x+6