A person is holding out his arm horizontally with a 2.50 kilogram weight in his hand. This weight is 60.0 centimeter from the shoulder joint. His forearm (including his hand) has a mass of 2.44 kilogram and is 34.0 centimeter long; its center of mass is 43centimeter from the shoulder joint, measured along the arm. His upper arm is 26.0 centimeter long and has a mass of 2.63 kilogram; its center of mass is 13.0 centimeter from the shoulder joint. The deltoid muscle is attached to the humerus15.0 centimeter from the shoulder joint and makes a 14.0o angle with the hummers. Estimate the tension in the deltoid muscle?