In a repair shop a truck engine that has mass 429 kg is held in place by four light cables (Figure 1) . Cable A is horizontal, cables B and D are vertical, and cable C makes an angle of 37.1∘ with a vertical wall. Tension in cable A is 729 N .

Question

In a repair shop a truck engine that has mass  429 kg  is held in place by four light cables (Figure 1) . Cable A is horizontal, cables B and D are vertical, and cable C makes an angle of 37.1∘  with a vertical wall. Tension in cable A is  729 N . 
a.What is the tension in cable B?
b.What is the tension in cable C?

A&M Student · Answer

For part B. T_A = T_C*(sind(37.1)) 729N = T_C*(sind(37.1)) T_C = 1250N

Aggie · Answer

For Part A T_B = mg + costheta*T_C T_B = 429*9.8 + cos(37.1)*1250 T_B = 5200N