1. For P = 1200N, what are forces in members AB, AC and BC? Draw FBD of entire structure - removing supports and adding reactions at B and C. Use equilibrium equations to solve for reactions at B and C. Draw FBD of only joint B. Remember to always draw unknown internal forces in tension (away from joint). Label unknown internal forces. Use equilibrium equations to solve for internal forces. Draw FBD of joint C or A. continue... Bo 400 mm 500 mm- A 375 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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1. For P = 1200N, what are forces in members AB, AC and BC?
Draw FBD of entire structure - removing supports and adding reactions at B and C.
Use equilibrium equations to solve for reactions at B and C.
Draw FBD of only joint B. Remember to always draw unknown internal forces in tension (away from
joint). Label unknown internal forces.
Use equilibrium equations to solve for internal forces.
Draw FBD of joint C or A. continue...
Bo
400 mm
-500 mm-
A
375 mm
Transcribed Image Text:1. For P = 1200N, what are forces in members AB, AC and BC? Draw FBD of entire structure - removing supports and adding reactions at B and C. Use equilibrium equations to solve for reactions at B and C. Draw FBD of only joint B. Remember to always draw unknown internal forces in tension (away from joint). Label unknown internal forces. Use equilibrium equations to solve for internal forces. Draw FBD of joint C or A. continue... Bo 400 mm -500 mm- A 375 mm
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