Question

5. Consider the L-shaped pipe assembly. (a) Show that the assembly is statically indetermi-8 N 300 nate 100 N-m (b) If the vertical reactions at A and B are equal and act in the same direction, obtain the reactions at A,-B,--10 N)

5a and b please.

Answer 1

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Bx go N 300 mm) looNm 300mm.3m 300mm) 1oomm Le+ (Crt) Bves peche and A жас+' on sat 8 hoan 2 on ta l the be , cind j. B be the vestical neachons at A cind B respech Concept: s1stem/assembly is caltted statically de aminatc f num be ed unknouons and number o equavons cisc not equal For equiti brium, Ne+ force in vercal dire ctono Net force in hosizon tal diveckono Svrn of chi-the moments こ0、 All morn ent about Point A 。 nom be ว equ at onss three, but numbeYe 엉 unknown vama bles ase furr Assembly is st Hca indes minate

b) Tis 1+ is giuen thot E,vercal zeachions at A and bB cie equl andin some direcHon. Ay unknuons aequa tions and cind thus s4stem can be selved AIso, taking sum moments about Point A 13-160N 0 3 from e 2) Ax 160 N "Thus, A and B an-e equal in niude but opposihe in divech'on Thus, and Ax160 N İS the 'oight answer ushich dlirection one assume the foyces initially