Chapter 11 Flashcards
1
Q
object with a specific geometry
A
will occupy volume in space
2
Q
pressure
A
F/A
3
Q
units of pressure
A
Pa
4
Q
atmospheric pressure
A
1.01E+5 Pa
5
Q
fluid at rest
A
static
6
Q
pressure in a liquid
A
weight density * depth
7
Q
bouyant force
A
water exerts and upward force on it that is exactly opposite to the direction of gravity pull
8
Q
Bouyant equation
A
pgv
9
Q
archimedes principle
A
an immersed object is buoyed on by a force equal to the w of the fluid it displaces
10
Q
Pobj > Pfluid
A
fluid will reject the object, bounce
11
Q
Pobj < Pfluid
A
object will sink
12
Q
Pobj=Pfluid
A
submersed object will float
13
Q
bernoullis equation
A
dynamic fluid
14
Q
V2
A
KE
15
Q
Y
A
PE
16
Q
if area changes
A
pressure changes
17
Q
buoyancy is always about
A
volume of fluid displaced, not the objects volume
18
Q
A
