Question

USE THE FORCE METHOD TO DETERMINE THE REAGUONS THE SUPOORS, DRAW THE SHEAR AND MOMENT DIAGRAMS. ASSUME A IS FIXED AND B IS A ROLLER. EL s CONSTANT Ay = ? 20K Ax= ? Ma = ? S'O By: ?

Answer 1

20k al A 5' B 5' sor het RB will RB will be ledem dant. by fore Joie Method ARB flix RB = 0 whese ARB = (Mm dx (1 M = BM due to primary loading flot = / m² dx ma B.M due to Unit load at B in downw and direction it b) Unit load at B Remove redundant lai apply 1 20k (M) 10 100k-ft B A B (m) G A GA x= K с. C 5' sk 2- 1 1 ka gok M(KH) in² m Mm Member length 5 (5+x)? - 20% 20x15+x) - 15+X) CA x² 5 ' Вс 0 -X 0 5 ARB =) 20015+x) dx 14/11 6250/341 5 5 => 1000 LEI fill =) 1,(5+X)* dx x²dx da / E1 da lett

RB » -6250 6250/100 1-6.25k/T 6 RB 6.25k An Vestical reaction at A&B Ef x=09+ RA= 13.75 k 1 Ans Efx=0 AX=0 ©). 1 EMAza -6.25 x 10 + 20% 5 MA =0 NA = 37.5x++) n MA= 37.50 k-ft15 Ans Moment at a Ay y = 13.75kt Apl = 0, Ма 37.50k-ft By = 6.25k Ans izska 20k 37.50k-tt GA dc B 5' 13.75K 5' 6.25k 13.75 13.75k k (+) → Sifon 6.25k (-) 6.25k 31.25k4t BoMoD 37.50k tt