The cables (AB and AD) support the pole AC. Knowing that the tension is 1250N in cable AB, a. Determine the stress on cable AD in order for the pole to stay vertical. b. Calculate the resultant force:

a) 1250N, 2500N
b) 1250N, 2000N
c) 1250N, 3000N
d) 1250N, 3500N