Density and Pressure Flashcards
0
Q
What is the equation to find density?
A
Density = mass
———
Volume
1
Q
What is the symbol for density?
A
p (rho)
2
Q
What is mass measured in?
A
Kg or g
3
Q
What is volume measured in?
A
M3 or cm3
4
Q
What is density measured in?
A
Kg/m3
5
Q
How do you find the mass?
A
Regular or irregular
Use scale to weigh it
6
Q
How do you find volume?
A
Regular- l x w x h
Irregular- fill beaker with water
Put in object
Level of water - level before
Liquid- 1cm3 = 1ml
7
Q
What is pressure?
A
Tells us how much force is exerted over a certain area
8
Q
What is the equation to find pressure?
A
Pressure = force
——–
Area
9
Q
What is pressure measured in?
A
N/m2 or Pa (pascals)
10
Q
What is force measured in?
A
N
11
Q
What is area measured in?
A
M2 or cm2
12
Q
What is pressure in liquids called?
A
Hydrostatic pressure
13
Q
What is the equation to find hydrostatic pressure?
A
Pressure= density x depth x gravity P = p x h x g N/m2 = kg/m2 x m x N/kg
14
Q
What is gravity on earth?
A
10N/Kg
