Recent content by Walk Don't Sit

Thanks for your answers! Not to tax interest in the subject but if I may ask... I think I'm still missing understanding something about how the interaction of forces is different in the trapeze versus if I made similar movements standing on firm ground. If I'm standing and lean my trunk to the...

Thanks for your answers! "you cannot directly change the position of your COM by contorting your body. Doing so would violate conservation of momentum" I thought I could, for example, raise my arms overhead and that would raise my center of mass. Or, starting in anatomical position, raise my...

Thanks for your response. Do you think the COM change would be significant in changing the direction- or the momentum of the muscular contraction?

Hello all, this is my first post here. I will try to phrase it as best I can, my physics background is weak, so please be patient, and thanks in advance for your help! I tried researching simple pendulums but couldn't quite find an answer. Suppose a person is suspended, prone, from a pendulum...