Equilibrium of a Particle-prblems

2.30 Two cables are tied together at C and loaded as shown . Determine the tension in AC and BC.







2.34 A 600-lb block is supported by the two cables AC and BC . (a) For what value of ? is the tension in cable AC minimum. (b) what are the corresponding values of the tension in cables AC and BC.











2.37 Two ropes are tied together at C .If the maximum permissible tension in each rope is 750 lb, what is the maximum force F that may be applied ? In what direction must this maximum force act ?















2.38 Two strings are tied together at C. Determine the tension in AC and BC.






2.40 Two forces P and Q are applied to the aircraft connection shown. At a certain instant, when the connection is in equilibrium, it is found that T1= 560 lb and T2=120 lb. Determine the corresponding values of P and Q.











2.44 A 1,500-lb crate is lifted by a crane cable CD . A cable sling ACB is 5 ft long and can be attached to the crate in each of the two ways shown . Determine the tension in the cable sling in each case.




2.45 A portable bin and its contents weigh 750 lb. Determine the shortest chain sling ACB which may be used to left the loaded bin if the tension in the chain sling is not to exceed 900 lb.