dimensional formulas Flashcards
1
Q
area
A
length x breadth
2
Q
volume
A
length x breadth x height
3
Q
mass density
A
mass / volume
4
Q
frequency
A
1/ time period
5
Q
velocity
A
displacement / time
6
Q
acceleration
A
velocity/time
7
Q
force
A
mass x acceleration
8
Q
impulse
A
force x time
9
Q
work / energy
A
force x distance
10
Q
power
A
work / time
11
Q
momentum
A
mass x velocity
12
Q
pressure / stress
A
force / area
13
Q
surface tension
A
force / lengths
14
Q
surface energy
A
force / area
15
Q
velocity gradient
A
velocity / distance
16
Q
pressure gradient
A
pressure / distance
17
Q
pressure energy
A
pressure x volume
18
Q
coefficient of viscosity
A
force/area x velocity gradient
19
Q
angle
A
0
19
Q
trigonometric ratios
A
0
19
Q
angular velocity
A
angle / time
19
Q
angukar acceleration
A
angular velocity / time
20
Q
radius of gyration
A
distance
20
Q
moment of inertia
A
mass x ( radius of gyration ) 2
21
angular momentum
moment of inertia x angular velocity
22
angular frequency
2pie x frequency
23
wavelength
distance
24
kinetic energy
1/2 mv2
25
potential energy
mghr
26
gravitational constant
force x distence2 / mass2
27
plancks constant
energy / frequency
28
charge
current x time
29
electric field
flectrical force / charge
30
wavenumber
2pie / wavelength
31
power of lens
( focal length )-1
