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deranger
joined 2 years ago
It’s totally true from a physics standpoint. A longer lever arm between the load and fulcrum requires more force to move the same weight, all else being equal. Edit: thinking on this more, I think a type 3 lever is more applicable to my chest flye example, but the same concept applies; as you lengthen the load arm relative to the effort arm, more input force is required to move a given load.
“Harder to exercise” is poorly defined, especially when you go on to discuss endurance, speed, and force, all of which are very different terms.
I totally get what you’re saying, but I specifically narrowed it down to force for a reason. My shorter friends kick my ass in lifting due to the mechanical advantage their shorter limbs have, but I smoke them in a distance run because my longer limbs allow me to traverse a greater distance in a single step. This is complicated though because larger lungs are a factor here too.
The smaller the foot, in this case, the harder the muscles have to work to create the same torque (or moment).
That’s backwards, a shorter lever arm requires less force. If you had a 10 foot long foot, you’d have to have insanely strong calf muscles to stand on your tip toes, because how far the load is from the fulcrum.
torque is the cross product of force and length
Correct. The force at the end of the lever is your body weight. A longer foot thus exerts more torque on your ankle and requires more calf muscle to move. Longer arms don’t make chest flyes easier, they make them harder.
That would be relevant to the calf muscles, but the lower surface area of the feet means higher pressure in terms of psi or pascals.
Got the update today! All good now.
I vacillate between the two. Really depends on the words surrounding “data”.
Where’s air involved? Sounds like things traveling through plant vasculature.
I believe those with more resources have more options to resist; this has always been the case. However, they don’t have all of the means.
I don’t think doomerism like this does anything but demoralize. It’s better than them going along with the bullshit. It’s gotta start somewhere, and it’s going to start with those who have the resources to resist.
I don’t believe “he helped Harvard stand up to Trump” is inaccurate. Yes, those with more resources can do more. Has this ever not been the case?
Is the better option that rich man do nothing?
You’re not wrong that the money helps but someone also has to do the convincing part. They both help.
Those would be killer bees, not murderer hornets. The murder hornets are Japanese. Africanized bees is the term, it’s not just a Fox News-ism.
For social media videos I always just search for video downloader, paste the link to the post and get the video. I do this for Facebook, instagram, and Reddit. I don’t want some plugin I’ll use rarely and the web downloaders seem to work fine.