HW23soln

HW23soln - [/3 limo-#23 1m zUcru’Z 18.27 Arm BC has amass...

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Unformatted text preview: [/3 limo-#23 1m zUcru’Z 18.27 Arm BC has amass of 12 kg and the moment of inertia about its center of mass is 3 kg—mz. Al the instant shown, arm AB has a constant clockwise angular velocity of 2 radfs and arm BC has a counterclockwise angular velocity of 2 rad/s and a clockwise angular acceleration of 4 radfsz. What are the couple and the components of force exerted on arm BC at B‘? 7. r A '- A A ‘ A. 23:+( 40x63 641.401 tub-M403) “(925(44'0? +13%4'09 “fez-"+9? "’-¢"”3 ‘“ sea” l’élvl-fllfébv :aéfi '-'- 22,. -=- Mm” = -_____._.—... fél-"f; 82,- Ilcm) = {\éMc]: I = EPA“ 7- 4$: ' _, ( 30635-40) (42%)(quo) jab -.- 3&4) M67112! u-mj 18.46 The 18-kg ladder is released from rest in the position shown. Model it 35's slender bar and neglect fiiction. Determine its angular acceleration at the instant of release. Obscrufi: 18.113 The slender 2-slug bar AB is 3 ft long. It is pinned to the cart at A and leans against it at B. (a) If the acceleration of the cart is a = 20 W52, what normal force is exerted on the bar by the cart at B? (b) What is the largest acceleration a for which the bar will remain in contact with the surface at B? A4520 Sta/m». '17 M 4;:9441191‘)Ax:33'54m a. f; B“ 21.4415 L4! it, .1. “gut-"l6 W (6 mtofd. S 5"- w-iltL‘ aA=1O’%z‘9’ $6 FIN? Marx a!“ PW What if. “A gxfio 2:65PM mm" le’xfl'ox “aeF’O “54173-9 A/wm 1H Axum.” ~—~—-—~_———[ / 1 . ...
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HW23soln - [/3 limo-#23 1m zUcru’Z 18.27 Arm BC has amass...

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