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Module 2 : Analysis of Statically Determinate Structures

Lecture 9 : Example for Trusses


	Example 2.2 Find the forces in all members in the Figure E2.2.

	Figure E2.2
	Solution:
	From equilibrium of the whole body


	Looking at joint A :
	AB is a zero-force member and
	Looking at joint B :
	Both BC and BD are zero-force member.
	Looking at joint D :
	Both CD and DF are zero-force member.