tions 31 Arm 4 0 kg Hand 1 0 kg 0 10 m 0 60 m Note Figure

Last updated: 6/7/2023

tions 31 Arm 4 0 kg Hand 1 0 kg 0 10 m 0 60 m Note Figure not drawn to scale In order to model the motion of an extinct ape scientists measure its hand and arm bones From shoulder to wrist the arm bones are 0 60 m long and their mass is 4 0 kg From wrist to the tip of the fingers the hand bones are 0 10 m long and their mass is 1 0 kg In the model above each bone is assumed to have a uniform density 31 When the arm and hand hang straight down the distance from the shoulder to H Arm Hand 1 0 kg 0 10 m 4 0 kg 0 60 m Note Figure not drawn to scale 32 The arm is held in the horizontal position and the hand is bent at the wrist so the fingers point up as shown in the figure above The torque exerted by the weight of the hand with respect to the shoulder is most nearly the sho A 6 N m B 10 N m C 30 N m D 60 N m E 70 N m 4260