পদার্থবিজ্ঞান প্রশ্ন

The post given in the figure below is to be pulled out of the ground using two ropes A and B. Rope A is subjected to force F1=600lb and is directed at angle θ1=60 from the horizontal. If the resultant force acting on the post is to be Fr=1200lb , vertically upward, determine the force T in rope B.