Answer:
Tension= 4,373.70N
Explanation:
Ma= Sum of forces
Horizontal forces are:
0= T1costheta=T2costheta
T1=T2=T
Vertical forces are:
Ma= T1sin8°+ T2sin8° - mg
Ma= 2Tsin8° - mg
Therefore ,
T= m(a+g)/(2sin8°)
T= 68(8.10+9.8)/2×0.139
68(17.9)/0.2783
T= 4373.697
T= 4373.70N