Exam3 Flashcards
(34 cards)
1
Q
W=mg=
A
pobVobg
2
Q
Specific gravity
A
X1000= density of fluid
3
Q
pobj/pfluid=
A
Fraction of volume submerged
4
Q
Tf=
A
9/5 Tc +32
5
Q
Frequency
A
Rotations per second
Hz
6
Q
Period
A
Time period for one rotation
7
Q
Q
A
Heat energy
8
Q
Q (temp change)=
A
mc/\T
9
Q
Q (phase change)=
A
+-mL
10
Q
tnet=
A
Fr+F2r2…
11
Q
Torque force must be…
A
Perpendicular
12
Q
Pressure unit
A
N/m:Pa
13
Q
Density unit
A
Kg/m3
14
Q
Volume of a sphere
A
4/3 pi r^3
15
Q
N=
A
of particles (molecules, atoms,etc)
16
Q
Shear modulus
A
Parallel force:
F/A= S(/\x/h)
17
Q
Surface area of cylinders side?
A
2pirh
18
Q
Xcg(center of gravity)=
A
Sum of xm divided my sum of masses
X is distance from pivot to individual centers of gravity.
19
Q
Newton’s second law
A
A=F/m
20
Q
Stress
A
Force per unit area causing deformation
21
Q
Strain
A
Measure of deformation
22
Q
Top of wheel
A
2V= 2wR
23
Q
Center of wheel
A
V=we
24
Q
Bottom of wheel
A
V=0
25
Rolling=
Combination of translational and rotational motion
26
If fluid is at rest
| Same depth=
Same pressure
27
Ideal gas
| Eth=
Sum of KE of individual atoms/molecules..
28
Temperature
Translational KE
29
Internal energy
Sum of all energies KEtrans, KErot, PE...
30
Specific heat
Energy to raise 1 kg °C
31
calorie
Energy to raise 1g of water 1°C
32
s-->g
Sublimation
33
g-->s
Deposition
34
Totally submerged object
Vobj=Vfluid
