pressure Flashcards
(5 cards)
1
Q
what does pressure depend on?
A
- depth
* density
2
Q
what happens if depth increases in liquid?
A
number of particles increases and weight of the particles adds to the pressure
3
Q
what happens if density increases in liquid?
A
more particles in certain space so collide and higher pressure
4
Q
what do objects in water experience?
A
upthrust
5
Q
why does atmospheric pressure decreases with height?
A
because as altitude increases the atmosphere gets less dense so fewer air particles to collide with
