Some signs can be -not wanting to be around people -feeling tiered or not wanting to do anything -not finding fun in thing you used to find enjoyable -extreme sadness all the time (being depressed) -suicidal thoughts -cutting oneself -questioning if life is really worth living.
from someone who experiences depression daily I feel I have covered a few points. there is much more that goes on but here are some of the basics.
Beginning when the bottom of the object first touches the water, and as it descends and more and more of it goes under, the buoyant force on it increases during that time.
As soon as the object is completely underwater, it doesn't matter how deep under it is, the buoyant force on it remains the same.
