Three steel rods (E = 200 GPa) supports a 50 kN load P. Each of the rods AB and CD has a 300 mm2 cross-sectional area and rod EF has a 600 mm2 cross-sectional area. (a) State whether the structure is statically determinate or indeterminate. Why? (b)Determine the force and the stress in each rod. (c)  Determine the deformation of each rod. Note: The link BED is rigid, and BE = ED.

just final answer  A rigid component ABC is supported by a pin-connected member (1). The member has a rectangular cross-section with dimensions of 54 mm and 48 mm. The elasticity modulus of the material is 169 GPa. If L1=2421 mm, L2=1226 mm, L3=2272 mm, and L4=2072 mm;     Determine the maximum normal stress (MPa) in member (1) without buckling.

Three (3) different cylinder made from Steel, Aliminum and Bronze are jointed together to form a composite structure and fixed to wall support. Three (3) axial forces denoted as 4P, 2P and 2P acted on the structure as shown. The following value was already determined: Reaction at A =4 kN to the right Internal force for Bronze =2 kN compression Esteel = 200 GPa; EAlminum 70 GPa, EBrenz 83 GPa Determine the elongation ( 8 ) for each section: Aluminum A = 400 mm? Bronze Steel A = 200 mm? A = 500 mm? 2P 4P 2P 2.5 m 2.0 m 1.5 m

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