Solids, Fluid, Thermal Formula Flashcards
(28 cards)
1
Q
Stress
A
F/A
2
Q
Longitudinal strain
A
∆l/l
3
Q
Young’s modulus
A
Y= Fl/A∆l
4
Q
Bulk modulus
A
B= FV/A∆V
5
Q
Shearing modulus
A
G= Fl/A∆l
6
Q
Density
A
M/V
7
Q
Pressure
A
F/A
8
Q
Pascal’s law
A
P1=P2
9
Q
Pressure under gravity
A
P= fhg
10
Q
Buoyancy
A
Fb= fvg
11
Q
Bernoulli
A
P+1/2fv²+ fgh= constant
12
Q
Velocity of efflux(Torricelli law)
A
Vb= √2gh
13
Q
Venturi meter
A
V2= √2gh(a1²/a1²-a2²)
14
Q
Stoke law
A
6πnrv
15
Q
Terminal velocity
A
2/9× r²g(sigma-f)/ n
16
Q
Surface energy
A
E= SA
17
Q
Surface tension
A
S= F/l
18
Q
Excess pressure inside drop or bubble
A
P=2S/r or for bubble, 4S/r
19
Q
Height of capillary
A
h= 2ScosQ/frg
20
Q
Linear expansion
A
Alpha= l2-l1/L1(∆t)
21
Q
Area expansion
A
Beta= ∆A/A(∆T)
22
Q
Volumetric expansion
A
Gama= ∆V/V(∆T)
23
Q
Relation of alpha and beta
A
Beta= 2 alpha
24
Q
Relation of alpha and gama
A
Gama= 3 alpha
25
Specific heat capacity
S= Q/m∆T or Q= Sm∆T
26
Calorimeter
m1S(t1-t3)= m2S2(t3-t2)
27
Latent heat
L= Q/m
28
Total heat
Specific heat+ latent heat