Use the stiffness method to determine the rotations at all nodes and reactions at supports.  Assume support 1 and 3 are rollers and support 2 is pinned.  EI is constant.  w = 40 kNm L1 = 5.5m  L2 = 11m

A frame and loading are shown. B 90 mm D 120 mm ' 120 mm' 120 mm Determine the force acting on member ABCat C. Take P= 420 N. The force acting on member ABC at Cis N.

Compound axial member ABC has a uniform diameter of d = 1.2 in. Segment (1) is an aluminum [E₁ = 10,000 ksi] alloy and segment (2) is a copper [E₂ = 17,000 ksi] alloy. The lengths of segments (1) and (2) are L₁ = 80 in. and L2 = 140 in., respectively. Determine the force P required to stretch compound member ABC by a total of 0.10 in. LI L2 A d Aluminum Copper Answer: P = i B kips

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Member AC of the following truss is subjected to a temperature change of +110 °C. Calculate the displacements of node A and the forces in each member using the stiffness method. Take: a= 2x 10-5; EA= 2x 104 kN; the cross section area of AC as A; the cross section area of AD as A√2; the cross section area of AB as 5.0A. 1.732 m 1 m Part 1. The displacements at joint A: a) A₂ = b) Ay = mm mm Part 2. The force in each member: a) NAB = b) NAC = c) NAD kN kN kN A

Solve with Free body diagram

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For the indeterminate frames shown, determine the support reactions using force method. EI is constant.

Solve correctly please.

The beam consists of three segments pin connected at B and E. Determine the shear force and bending moment in the beam. Use w = 14 kN/m, a= 9.5 m, b= 4.5 m, and c= 65 m. The shear force at the point B of the beam in kN is (round to the nearest integer): The bending moment at the point A of the beam in kN.m is (round to the nearest integer): kN.m The bending moment at the point B of the beam in kN.m is (round to the nearest integer): | KN.m The bending moment at the point C of the beam in kN.m is (round to the nearest integer): | kN.m The bending moment at the point D of the beam in kN.m is (round to the nearest integer): | KN.m The bending moment at the point F of the beam in kN.m is (round to the nearest integer): | KN.m The maximum bending moment in the section AB of the beam in kN.m is (round to the nearest integer): | kN.m The maximum bending moment in the section CD of the beam in kN.m is (round to the nearest integer): | KN.m The maximum bending moment in the section DF of the…