In his dreams, Dr. Safa does the yoga exercise shown below for 20 nonstop minutes (!!). When he bends his body at the hip to a 90 angle between his legs and trunk, his legs, trunk, head and arms have the dimensions indicated. Furthermore, his legs and feet weigh a total of 360 N, and their center of mass is 41.0 cm from his hip, measured along his legs. His trunk, head, and arms weigh 520 N, and their center of gravity is 65.0 cm from his hip, measured along the upper body. a) Find the friction force on each hand. b) Find the friction on each foot. 90 cm 90 75 cm Answer Answer 60 cm units units