Solution to Problem 241 Statically Indeterminate

Problem 241
Three wires supporting a 1500 lb loadAs shown in Fig. P-241, three steel wires, each 0.05 in.2 in area, are used to lift a load W = 1500 lb. Their unstressed lengths are 74.98 ft, 74.99 ft, and 75.00 ft.
(a) What stress exists in the longest wire?
(b) Determine the stress in the shortest wire if W = 500 lb.
 

Solution 241

 
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