Todo lo contenido en este manual, incluyendo, textos, grficos, logotipos, fotografas e ilustraciones, son propiedad de Conductores Monterrey, S.A. Problem The beam AB is pin supported at A and supported a cable BC. MANUAL ELCTRICO Coordinacin general del proyecto, investigacin y logstica: Gerencia de Mercadotecnia de Viakon Conductores Monterrey.

P 80N Given: 30deg 45deg a 0.3m b 0.1m Solution: Equations of equilibrium: NA cos ( ) 0 NA cos ( ) NA 77.27 N Ans VA sin ( ) 0 VA sin ( ) VA 20.71 N Ans MA cos ( ) a cos ( ) sin ( ) ( b a sin ( ) ) 0 MA cos ( ) a cos ( ) sin ( ) ( b a sin ( ) ) MA m Ans Note: Negative sign indicates that MA acts in the opposite direction to that shown on FBD. Determine the resultant internal loadings acting on the section through point A. Given: T D m T BC m T AB m Solution: Equations of equilibrium: Mx T B T BC T D 0 T B TD T B 150 m Mx Ans TC TD 0 T C TD T C 500 m Ans Problem A force of 80 N is supported the bracket as shown. In (a), segment BC weighs 300 and segment CD weighs In (b), the column has a mass of 200 ( a) Given: L BC 3m kg wBC 300 m kg wCA 400 m FB 5kN L CA 1.2m g 9.81 m 2 s FC 3kN Solution: Fy ( ) ( ) FA g L BC g L CA FB 2FC 0 ( ) ( ) FA g LBC g LCA FB 2FC FA 24.5 kN ( b) Given: g 9.81 L 3m m 2 s FB 8kN w 200 Ans kg m F1 6kN F2 4.5kN Solution: Fy FA ( L) g FB 2F1 2F2 0 FA ( L ) g FB 2F1 2F2 FA 34.89 kN Ans Problem Determine the resultant internal torque acting on the cross sections through points B and C.

Preview text ISM for Problem Determine the resultant internal normal force acting on the cross section through point A in each column.

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