In the assembly shown. the block has a weight W =200 lbs and the cord is attached to the pin at B. The pulleys have radti of rt 2 Tn. and r2 1 In. Neglect the mass of the pulleys and the Cink. Pulley Pulley A 45 B. P. 12 w/

As shown below, the compound bream is fixed at A and supported by a rocker at B and C. There are hinges pins at D and E. Determine the reactions at the supports.

The truss shown in figure below is supported by a hinge at A and a roller at B. A load of 2000 kN is applied at C. Determine the reactions at A and B. 30 2000 10 5 RAE TRB- -30- -10- RA RAv

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Determine the moment of the forces acting on the structure about point A. THIS IS AN EXAM. DO 90N DUPLICATE OR SI THIS IS AN EXAM. DONDUPLICATE OR SI THIS IS AN EXAM OR SI 50°OT DUPLICATE DUPI DO NOT DUPLI 2ON OR SH DO NOT B THIS IS AN EXAME DO NOT THIS IS A 0.7mm THIS IS AN EXAMA + THIS IS AN E EX 0.5m [CATE OR SH RICATE OR SI THIS IS AN THIS IS AN EXAM. UPLICATE OR SI ´HIS IS AN EXAM." DOI.OMT DUPLICATE OR SI

Two forces of magnitude TA = 6 kips and Tc = 9 kips are. applied as shown to a welded connection. Knowing that the connection is in equilibrium, determine the magnitudes of the forces Tg and Tp- %3D 40 To Tc

(c) The rigid bar ABC is suspended from three wires of the same material. The cross- sectional area of the wire at B is equal to half of the cross-sectional area of the wires at A and C. Determine the tension in each wire caused by the load P shown. ----|--²--| A 9 DAB T L P Fig. Q1(c) PL Hint: S = note that ABC is a rigid bar. EA C

For the beam and loading shown, determine the reaction at the roller support. Assume that the flexural rigidity El of the beam is constant. (Round the final answer to two decimal places.) Given: w2wo A -L- { x = 0, y = 0} { x = 0, y = 0} {x=L, y = 0} The reaction at the roller support is 0.37 wo Lt. B

The flexibility matrix for the beam shown in the figure is: 2 EI 1 3 2 EI 2EI 3ΕΙ 2ΕΙ (b) -L2 L (a) 2EI 3EI 2E1 ΕΙ 4E1 -6ΕΙ 7- 3EI 2EI Cc) (d) -6EI 12EI 2ΕΙ ΕΙ

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