newtonian mechanics - When we do pull-ups, does the bar takes more weight than when we hang down on the bar? - Physics Stack Exchange

When I do pull-ups, I feel I push down to the bar. But does the bar really take more weight than just hang down? For people who don't know pull-ups and hang down, here is an illustration. Left: H

Forces and Torques in Muscles and Joints

Answer in Mechanics Relativity for anonymous #171663

6.1 Solving Problems with Newton's Laws

To get the same torque, we need to use less force (hence less energy) with a longer lever than we would if we used a shorter lever (by the t = r x

How is the bar pushing you up when you do a pull up? - Quora

6.1 Solving Problems with Newton's Laws

Physics of Fitness Fridays - The Pull-Up — Jane Reaction Fitness

newtonian mechanics - How do towels stay on hooks? - Physics Stack Exchange

rotational dynamics - Newtonian Mechanics - Physics Stack Exchange