4. A 120 kg scaffold is 5.60 m long. It is hanging with two wires, one from each end. A 460 kg box sits 2.20 m from th left end. What is the tension in the right hand side wire?(g = 9.8 m/s²) Newtons 160 ss 60 ssf60 09
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A: Solution Given A = 6.4N B = 5.3N
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- I have a shelf full of textbookd.Each book has a mass of 1.0 kg and mus=0.3. a. How hard do I need to push horizontally to unstick the top book from the rest of the pile? b. How many books can I unstick from the top of the pile if I push with a force of 16N?3. The picture shows two rods with masses M and suspended mass m. Calculate the force in the rope that connects the rods. M е a mi e lak MThe two planks are connected together by cable BC and a smooth spacer DE. Determine the reactions at the smooth supports A and F.and also find the force developed in the cable and spacer. Match the answers. 100 lb 200 lb -2 ft--2 ft- ft2 ft- 182 160 180 1. reaction at A= 168 2. reaction at F = 176 3. Foc- 128 4. FDE 5. 150 120 140
- We tie an 80 cm long rubber cord to the ceiling and attach a 50 g weight o its other end. The cord gets extended by 4.0 cm. We raise the weight to the ceiling and let it down. What is the force of the string, when the weight reaches its lowest point?6. A 100 kg scaffold is 6.60 m long. It is hanging with two wires, one from each end. A 440 kg box sits 1.50 m from the left end. What is the tension in the left hand side wire?(g = 9.8 m/s?) NewtonsA cable weighing 4 kg/m is supported at the ends by two towers of the same height 100m apart. a. Flnd the sag at the center if the cable is 128.16m long. b. Find the tension at the lowest point of the cable. c. Find the tension at the highest point of the cable. A) a. 45.54m ; b. 610kg; c. 203kg B a. 35.54m ; b. 302.16kg ; c. 160kg c) a. 45.54m ; b. 160kg ; c. 203kg a. 44.45m ; b. 610kg ; c. 602.36kg E a. 53.54m ; b. 302.16kg ; c. 160kg
- A load W = 36 kN is to be lifted a mast as shown. The mast BC weighs 8 kN. a. What is the tensile force in cable AB? b. What is the vertical reaction at C? c. What is the total reaction at C?P 2 4. A 115 kg scaffold is 6.20 m long. It is hanging with two wires, one from each end. A 440 kg box sits 1.30 m from the left end. What is the tension in the right hand side wire? (g = 9.8 m/s²) Newtons W S x H nd # 3 E D S 1. с C o 4 R F G Search or type URL %6 5 T G 6 MacBook Pro B Y H 7 N U J 8 M 1 9 K < 36 < 32 jj1331332 O . 349 O L command P 4 . ; { option [. ?3. A block of mass M is hung by ropes as shown. The system Is in equilibrium. The point O represents the knot, the junction of the three ropes. The tension forces, F1 and F2, are equal in magnitude. F1 200스 I30º M
- 3 14 F The horizontal force F pulls a heavy suspended mass to the side. al force p DO In static equilibrium, the angle is constant. If m = 74.70 kg, and the angle = 33.60 degrees, then what is F? (in N) OA: 303.99 B: 355.67 OC: 416.13 OD: 486.88 OE: 569.64 OF: 666.48 OG: 779.79 OH: 912.3501. If cable CB is subjected to a tension that is twice that of cable CA, determine the angle 0 for equilibrium of the 10-kg cylinder. Also what are the tensions in wires CA and CB? iA 422 N was applied to a 273 kg block, find the normal force if the angle 0 = 66.1 degrees. F Select one: Oa 2849.0997 N Ob. 2507.1603 N Oc. 2292.3148 N Od 2678.1300 N