The mass per unit length of the lines AB and BC in Problem 10.77 is 2 kg/m. The sag /;, = 4.5 m,…

The mass per unit length of the lines AB and BC in Problem 10.77 is 2 kg/m. The sag /;, = 4.5 m, but the length of line AB is unknown. The two lines exert equal horizontal forces at B. (a) Determine the sag lu- (b) Determine the maximum tensions in the two lines.

Problem 10.77

The mass per unit length of lines AB and BC is 2 kg/m. The length of line AB is 62 m. The two lines exert equal horizontal forces at B.

(a) Determine the sags hx, , and hx

(b) Determine the maximum tensions in the two lines.