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Unformatted text preview: Answers to selected problems Homework 1 Problem 2: T BC = 63 . 23 kN. Problem 4: A ˆ DC = 62 . 8 o . Problem 6: M y = 1 . 16 ft. lb. Problem 8: M = 51 . 17 N m. Homework 2 Problem 2: R Ax = 1500 lb ; R Ay = 750 lb ; R C = 750 lb Problem 4: T CE = 209 N ; R A = 161 N ; R D = 100 N . Problem 6: R A = 5 . 71 lb (horiz) , 22 . 86 lb (vert), R A = 14 . 29 lb (horiz) , 17 . 14 lb (vert), R C = 20 lb. Problem 8: R = { , , F } ; M = { FL , FL , } . Homework 3 Problem 2: μ = . 622. Problem 4: F AB = 1 . 486 kN (compression) ; F AC = . 738 kN (tension) F BC = 3 . 714 kN (tension) F BD = 4 kN (compression) ; F CD = 2 . 228 kN (tension) F CE = 2 . 584 kN (tension) ; F DE = 5 . 199 kN (compression) . Problem 6: F E = 726 N . Problem 7: R E = 800 N . Homework 4 Problem 2: R A = 11 / 6 kN, M A = 1 kN m. Problem 4: R = { 5 , , 10 } kN, M x = 10 kNm (torque), M y = 20 kNm (bending mo ment), M z = 5 kNm (bending moment)....
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This note was uploaded on 10/05/2011 for the course MECHENG 211 taught by Professor ? during the Fall '07 term at University of Michigan.
 Fall '07
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