this post was submitted on 24 Nov 2023
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him pulling himself up is gathering the momentum and stability so he can drop before the other team is on the other side of the court
if he just flails back and forth until the energy dissipates they will have inbounded the ball already. this looks like a natural motion to stop the swinging
Ya, it's a stupid rule. You can't pull up but how else you supposed to stop swinging? It's fucking physics.
You think you need to pull up to stop swinging lol?
It sure as hell helps. lol. Staying flats keeps the momentum going. You shift the momentum up and equalize stability. Basic physics.
The rim isn't a frictionless surface and Tatum's arms aren't unable to keep from swinging back with just his arm/shoulder muscles. Only reason his legs go up in the first place is because pulls up.
What the hell does friction on the rim have to do with the momentum of the swing? It helps to pull up to stop the momentum back and forth. Our schools have failed us.
Friction directly counters momentum. Only justification for his body moving going perpendicular the way it did would be if he was swinging in a frictionless surface. If you're going to be a smartass at least remotely know what you're talking about lol. Hell, here's an example of Tatum going in with a lotta momentum holding without pulling up
Friction is the force of two objects sliding against each other creating resistance. Tatum had forward momentum when he dunked the ball. He held on to the rim to stop his momentum going any further, but had momentum swinging backwards. If he just held on flat, he would keep swinging back and forth until he comes to a stop. This takes too long and he wanted to come down faster but in a safe landing position, so he swung his momentum up by lifting up on the rim, shifting the direction he was going so he could stop faster and land safely.
You’re right that friction counters momentum if it’s strong enough, but the lower half of his body kept swinging. There’s no friction down there to stop him, so he adjusted up to shift that momentum perpendicular instead of horizontally. Then gravity did the rest and brought him down straight on his feet. If he had let go while still swinging horizontally, he could have landed on his back or stomach. But sure dude, you’re making yourself look like an idiot, but I’m an idiot now because I’m entertaining you.
It’s not just two extremes. He kept his arms tense for the first part of the back swing - which is allowed and necessary for safety - but then continued to unnecessarily elevate/hold himself through the second half of the back swing, resulting in an extra second of that unnecessary elevation.
Technically, no pun intended, you’re supposed to extend and lower yourself instead - again, after you’ve stabilized yourself on the first part of the back swing.