HW24soln

HW24soln - ybf awn-4.11 gm NHL 18.49 The S-lb horizontal...

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Unformatted text preview: ybf awn-4.11- gm, NHL: 18.49 The S-lb horizontal bar is connected to the 10—1b disk by a smooth pin at A. The system is released from rest in the position shown. What are the angular accelerations of the bar and disk at that instant? C9 Edit/E". “tar AM #0 Agoue Dmamous a; “jam k-ldfimafiLCJ; a 7-d— +54$F __ 1—— A. o. 18.52 The suSpended object A weighs 20 1b. The pulleys are identical, each weighing 10 lb and having moment of inertia 0.022 slug-fiz. If the force T = 15 1b, what is the magnitude of the acceleration of A? A o-e 41u>,4unkm> T. T; T} as ag- 4.. 32.1: angel: 4,. = 9.48 “J/m" .5 “A: 94:,gulbfl't1 T]: ’37s" Ha 2‘ 9“ T2,: 16.7w; . . 3 . l 8. 59 The masses of the slender bars AB and BC are 10 kg and 12 kg, respectively. The angular velocities of the bars are zero at the instant shown and the horizontal force F = 150 N. The horizontal surface is smooth. Determine the angular accelerations of the bars. “(A9 whs=O= “’sc. ' No Prioljtw of C disc ocsgfiva: .! qg 55x acbg : x f I A), 6, / Aficazam‘r EH= -'$'I.U = $1.5m =7e,+ r0 fan-LAG. 6r q § onA6 6,, = 245.9 N 1‘ ac“: 20,516 “34¢: J £413 “.Z(qgr’) : IA d“ )0 (,zoeM) =2 ozflfi -.: _.L 1‘ 31064.) cg“ 18.119 The slender bars each weigh 4 lb and are 10 in long. The homogeneous plate weighs 10 lb. If the system is released from rest in the position shown, what is the angular acceleration of the bars at that instant? ' ___ A a," A: ‘ eaniL-wl; a &: 7.07Ia( T — 7 07! d " “W9 @ " ' ‘3” O L .— @ as =EA +35; FB/A '- ee ‘11.“ “QR (“149(40): c M- ? "—5) a M' 7:06ch a 1'. 7:331 " # 7.07! A :70 .z “A: #3 “Ac-J Kc £1 + $'— .. - ATa. A A5 rev/A “457m " Iowa“ ‘ "7'07'd4c: (,7: 4.7:” 2.79%] 4 «31> fl 1' «A6 A :—2.2!! 7-2.1ll‘06' «AC. " Janine, 7' .4’7 Ais‘lé‘flf'flbfiflb akM avg-5:529”; 1' «Ab 3g 4.310 4.519,» km 39 ...
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HW24soln - ybf awn-4.11 gm NHL 18.49 The S-lb horizontal...

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