e2_99m_s - ME 364 - Kinematics NAME 5Q C 6/ 7701/ Summer...

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Unformatted text preview: ME 364 - Kinematics NAME 5Q C 6/ 7701/ Summer Term, 1998 Exam 2, 100 Points, Open Book 1. (30 Points) The angular velocity of link 2 is 1.50 radians per second counterclockwise. Determine the angular velocity of links 3 and 5 for the mechanism shown and the linear velocities of points A and B. The mechanism is shown half of full size. (Use the velocity polygon method!) V‘A‘s‘: ?0Mfi£; R VB = JjM/i % Work Here: '0'4 3 027m = {ma-r 9M3 X./ // X/ a VI; :VPN‘ via/Pt ~13 1" = 1 in/sec accelerati V f the follower in the cam . n” ‘f . . . ‘ Mir", ml mechanism shown. The cam 15 rotating at a 6”” [Mid ' constant speed of 2 radians per second [4 clockwise. The mechanism is shown ' e. MAE 364 - Kinematics, Summer 1999 Exam 2 2. (30 Points) Determine the velocity and Vfollower = M; a afollower = flag...— l"=1in/sec or 1 mm: 1 mm/sec 0v If B 11 Work Here: [43/ny I464: flamfim' . 2 _L J (D VA: WW»: : 53""9/55‘ @ a}; ,1: (4A)% 3 = //flm% / X/ W x/ “Ar: may“ 1 a)???” :0 Q) V5: VAN/AM} @ [‘0 J5, / A + M .7 fl 54'43) A fab,“ kw { (“F/.1 .- {30f 45’ 3?- Page 2 Follower ' = 1 in/sec/sec or 1 mm = 1 mm/sec/sec 0a 121:4 MAE 364 - Kinematics, Summer 1999 Exam 2 Page 3 3. (40 Points) The mechanism is showrfine half of full sizabelow. Link 2 is rotating clockwise at a rate of 1.00 radians per second and slowing down at a rate of 0.50 radians per second per second. Determine the angular velocities and angular accelerations of links 3 and 5 and the linear velocity and acceleration of link 6. Q; Ig’wlfl'a’ 7L ____ 45' «fgi'gan VG V6= 70”” "—9 :« 0v J‘ L a ,q’d; § 1":1in/snc131rn/ 57 C, OL = '7’4/fl‘5 1mm=1 s . _ 7’ » “if aegis”??? “a: a6: M” a? 5% , V/VorkHere: w J W)! (9 ) a > 07/44). :dflai 7 = f M. t a» [/— av v — 0 1411- m 4m): {WW/7 ML: mom mf/722,r// / ‘1’30’79_ /'/ Y/ X/ > ./ " X ‘/ “(0' ' - g) “A; : V4)+ VAd/A? Q) “A; :(44:ral‘:) +(fl'43/A. IffllJ/AJ +A‘J/A ) @ ('v‘J/of LM.£ZTE R ‘ @Eyfl/j/pf 3331433) fdj€7tk .06:- ' T?" @ k ~ ‘2 X." . K /. V v V‘ 4 v’ " ' A f" : ll IL «,L w” ff—‘TZ'W 2/; / #3 +67% ‘4': R204 7 4 c (-i J (Hf: Vfl=—£’rrllé’aé/\ !$:£ §f_/' ...
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e2_99m_s - ME 364 - Kinematics NAME 5Q C 6/ 7701/ Summer...

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