2. Beanie Campbell is performing an "Iron Cross" hold on still rings as shown. The gymnast has a mass of 70 kg, and each of his arms is 0.7 m

long (from the shoulder to hand). While having his arms parallel to the ground, he mainly uses both his latissimus dorsi and deltoid muscle to support himself. The latissimus dorsi attaches 8 cm from the shoulder at an angle of 30 degrees, and the deltoid attaches 9 cm from the shoulder. а)Find the tension in the rope. b) Find the force in Beanie's left latissimus dorsi and shoulder joint.