1.5 m 3 m F, x' 1m B

A) The axially loaded bar is fixed at A and loaded as shown. Draw a free-body diagram and determine the support reaction at A. On paper, draw a free-body diagram of the bar and determine the reaction at A for the bar to be in equilibrium. Assume that the unknown reaction at A acts in the negative x direction.   B)Using the answer from Part A, draw free-body diagrams or a load diagram and determine the internal axial forces in segments AB, BC, and CD. C)Using the internal axial forces determined in Part B, calculate the bar's maximum average normal stress. Using your free-body diagrams or load diagram from Part B and the axial stress equation, calculate the bar's maximum average normal stress.

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4 P=20 ton W= 20 tons 10'- To prevent the traveling crane as shown in the fig. from tipping to the right when carrying a load P, a counterweight Q is used. Determine value and position of Q so that the crane will remain in equilibrium both when the maximum load P is applied and when the load P is removed. *

2.3 A rod is supported at the ball-and-socket joint at point D, as shown in Figure Q.3 (a) Draw the free body diagram of the system. (a) Determine the components of reaction at point D and the tension in cable TAB and TAC so that the system is in equilibrium. N 60° A 800 N B 6 m Figure Q.3 3 m y C 2 m X

4. Determine the forces P, F, and T required to keep the triangular frame shown in the figure in A Solution: 2400lbs 4' equilibrium. Required: P, F & T to maintain equilibrium 3' B C 2 m 3600lbs P T

The pulley is frictionless and members ACE and BCD are weightless, Find the reactions at points A, B, C, D, and E.

In the structure shown in Figure, members BCE, and CD are assumed to be solid rigid members. Members AE and DE are cables. For this structure, determine the horizontal component of Reaction at B, and tension in the cable.

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Please draw the complete free body diagram ,Label all the points.