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Tham khảo tài liệu 'mechanics of materials hibbeler 4th part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 12-11. The bar is supported by a roller constraint at B which allows vertical displacement but resists axial load and moment. If the bar is subjected to the loading shown determine the slope at A and the deflection at c. El is constant. 12-12. Determine the deflection at B of the bar in Prob. -M -Pl aim . ĩi c di .2 r . _ . z- V 6 C X c ar2 2 c dll I Ely c n c Boundary condition At Jt 0 Uj 0 0-0 0 Cj Cj - 0 At JJ 0 - 0 dXi 0 Cj - 0 c - 0 c. . -Up 1 u -rx. 4S Al XỊ 0. v . nf 48 Am 12-13 Determine the elastic curve for the cantilevered beam which is subjected to the couple moment Mo- Also compute the maximum slope and maximum deflection of the beam. El is constant. L Elastic curve and slope i 2v Z M x r _ d2v El-- -Mo dx2 E -Mox Cl dx EIv z i c1x c2 Boundary Conditions dv 0 at X 0 dx From Eq. 1 Cl 0 V 0 at X 0 From Eq. 2 Ci - 0 1 2 Jv _ - Mữx dx El a - 1 _-MữL max - dx i-L El Ans The negative sign indicates clockwise rotation. -AfpX2 2E1 Ans Af0L2 v ix.4 2E1 Ans Negative sign indicates downward .