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Exam (elaborations)
Solids and Structures 1 (ENGG110) 2023 Equilibrium of a rigid body
Solids and Structures 1 (ENGG110) 
2023 
 
 
 
 
 
 
Equilibrium 
 
 
 
 
 
of a rigid body 
 
 
 
Objectives 
•	To demonstrate how 2-D equations of equilibrium apply to a rigid-body (in which not all forces converge at a point) 
 
•	To practice drawing free-body diagrams 
 
•	To identify two-force members 
 
 
 
 
 
 
 
We can use ‘equilibrium at a point’ to determine the cable forces 
Fx=0; Fy=0 
 
 
 
 
 
 
But we need to use ‘equilibrium of a rigid body’ to determine t...