30°1 30° 0.6 m 0.9 m The bucket and contents weight 10 kN with a center of gravity at H. Arm DEFG weighs 1 kN with a C.O.G at E. Arm ABCD weights 2 kN with a C.O.G at B. Ignore the hydraulic piston weights. A) Find the forces in the horizontal pistons El and CJ. B) Find the reactions at A. c) Find the forces that are holding up the bucket at G. SHOW ALL FREE BODY DIAGRAMS 0.6 m 0.9 m 0.6 m 0.9 m 0.3 m

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9 in. 30° x 6 in. 3 in. * B 3 in. 3 in. 4 in. The top cylinder weighs 100 lbs., the middle cylinder weighs 150 lbs. and the bottom cylinder weighs 200 lbs. A) Compute the forces on the L shaped support rack from each cylinder. Include free body diagram of each cylinder. B) Compute the reactions on the L shaped support rack at A and B. Include a free body diagram of the support rack.

12 in. 20 in. Coc 2 in. 13 in.. A 13 in.. 2 in. 28 in. A) Draw the free body diagram of the 200 lb board using appropriate reactions for the hinge at A and the rope at B. B) Compute the reactions at B and A.

a) Draw the free-body diagrams of pulley C and of block E separately. b) Calculate the following: gridinion! the magnitude of tension forces along cables CAD and ACB, Slugmo the mass of block E, ME, mont • and the spring constant, k. patinlog.431 93 80 anil Juods insmo m (SA 1.5 ft 1 ft U D 50° 2 ft beniamos terb salsa binowB 35° C E am Sta Juoma 100.0 8.0 T.0 mao ISTOG ed oj

A) Draw a free body diagram of the bar CD. Assume appropriate reactions at C and D in order to keep the problem solvable. The block has a mass of 5 Mg. B) Compute the tension in the cable ADB, ignore the radius of the pulley. C) Compute the reactions at C. 3 m A N B 4 m 4 m D

1.2 m 1.4 m Im 30° 2 m A) Draw a Free Body Diagram of the 75 kg hatch. Make an assumption to keep the problem statically determinate. B) Compute the tension in the rope. C) Compute the reactions at A and B.