In the movie Terminator, Arnold Schwarzenegger lifts someone up bythe neck and, with both arms fully extended and horizontal, holdsthe person off the ground. If the person being held weighs 700 N,is 60 cm from the shoulder joint, and Arnold has an anatomyanalogous (deltoid muscle acts at an angle of 15 degrees withthe horizontal and attaches 12 cm from the shoulder joint, armweighs 30 N and its centre of gravity is 27.5 cm from the shoulderjoint), what force must each of the deltoid muscles exert to perform this task?