The 7.5 m mast of a sailboat consists of a uniform aluminum pole of mass 85 kg. It is held in place fore and aft by wires or stays. The forestay is attached at a point 1.5 m from the top of the mast and is tied to the bow, making an angle of 30 degree with the mast. The aftstay is attached to the very top of the mast and is tied to the stern. This wire makes a 45 degree angle with the mast. The forestay has a tension of 2100 N. a) (5 points) What is the tension in the aftstay? b) (5 points) With what force does the mast push down on the deck?
