Units For And Formulas Flashcards
1
Q
Metre
A
M
2
Q
Kilogram
A
Kg
3
Q
Second
A
S
4
Q
Millimetres
A
mm
5
Q
Centimetres
A
cm
6
Q
Kilometres
A
km
7
Q
Grams
A
g
8
Q
Volume
A
cm3
9
Q
Density
A
G/cm3
10
Q
Speed
A
m/s
11
Q
Acceleration
A
m/s2
12
Q
Force
A
Newton
13
Q
Atmospheric pressure
A
Mbs
14
Q
Force
A
N
15
Q
Weight
A
N
16
Q
Moment of a force
A
Nm or Ncm
17
Q
Pressure
A
N/m2 or Pascals
18
Q
Area
A
cm2
19
Q
Work
A
J
20
Q
Power
A
W
21
Q
Energy
A
J
22
Q
Celcius
A
°C
23
Q
Heat
A
J
24
Q
Sound
A
dB
25
Current
A
26
Potential difference
V
27
Resistance
Ω
28
Direct current
D.c
29
Alternating current
A.c
30
Kilowatts
KW
31
How many mm in a cm
10
32
How many cm in a m
100
33
How many m in a km
1000
34
How many g in a kg
1000
35
How to find area
Length x width
36
How to find volume
Length x width x height
37
Formula for Mass, density and volume
M
----
DxV
38
Fomrula for distance time and speed
D
-----
S x t
39
Formula for force, area and pressure
F
-----
P x A
40
Formula for work, force and distance
W
------
F x D
41
Formula for voltage, current and resistence
V
------
I x R
42
What is the formula for work, power and time
W
-------
P x T
43
What is the formula for acceleration
Final speed-first speed
------------------------
Time taken for speed to change
44
How to convert mass to weight
Mass(kg) X 10 = Weight (N)
45
Formula for a moment of a force
Force x perpendicular distance from the fulcrum to the line of action
46
State the law of the lever
Anticlockwise moments=clockwise moments
47
How to calculate kW hr
Watts
---------
1000