Physics 15 Torque (17 of 25) Body Mechanics: Ex. 5, F=? Leg Lifting Weights

Visit http://ilectureonline.com for more math and science lectures! In this video I will find the force needed for the tendon in the leg to hold an 100 pound bar bell. Next video can be seen at:    • Physics 15  Torque (18 of 25) Body Mechani...