system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How does our brain know precisely how much strength to use, or not use, when throwing an object a desired distance? We can generally get it pretty close to where we want even if we’ve never thrown it to this spot before.
gpt
Practice. You’ve never thrown it to that spot. And maybe you’ve never thrown that object. But you’ve thrown other objects at other spots. So your brain makes a prediction that you are able to implement.