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please tell me f(x)=rho_1*g*A the solution of which question I cannot understand plz give the 3 to 4 words of question as a hint
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E4_1? All the bars in truss ABC have constant cross section and are made of a homogeneous linear elastic material. Under the effect of a 1 kN horizontal load applied at B , the pin at A is observed to displace to the right by 6 cm. Use the method of joints
problem 4_2 part :1 A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. plz help
Please help me, anyone figured out problem 3 and 4?
I read but I don't understand because some guys talking on one question and some guys talking on other question at the same time.
Bar subjected to gravity load (two segments) The bar in the figure has constant cross sectional area . The top half of the bar is made of material with mass density , and Young’s modulus . The bottom half of the bar is made of material with density and

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