... 1 43, 6 232 5 * Sinα = ⇒ N B = −211,1148665 + X − 45, 239 3846 * 0,9486 83 − 1 43, 6 232 5 * 0 ,31 6227 = −286,9204918( KN ) ∑Y = − N 3C − 13, 605558 − 1 43, 6 232 5 * Cosα − N 31 *S * Sinα = ⇒ N 3C = − 13, 605558 ... 5,119 637 9 + 81 ,37 675 * sin α + N 13 SVTH : TRỊNH MINH DŨNG * cos α = (90 − 5,119 637 9 + 81 ,37 675 * 0 ,31 6227) = −116,59 731 19( KN ) 0,9486 83 = −81 ,37 675 * 0.9486 83 + (−116,59 731 19) * 0 .31 6227 = 112 ,37 19575( ... )( ) δ 33 = M M = M S M = 1 1 4,5 18,974 23, 474 ( 3. 3 .3) + ( 3. 9, 487 .3) = + = 2EJ 1,5 EJ EJ EJ EJ 1 1 233 ,527 3, 937 5 .9, 487.(10,8 + 7,8 ) + ( 3, 937 5.7 .5, 6) = 1,5EJ 1,5EJ EJ 2 ( M ) ( M...