2.1 Physical Quantities Flashcards
1
Q
What are the seven SI base quantities and units? (7)
A
- Length - metre (m)
- Mass - kilogram (kg)
- Time - second (s)
- Electric current - ampere (A)
- Temperature - kelvin (K)
- Amount of substance - mole (mol)
- Luminous intensity - candela (cd)
2
Q
Derived Units - Volume
A
m^3
3
Q
Derived Units - Velocity
A
ms^-1
4
Q
Derived Units - Acceleration
A
ms^-2
5
Q
Derived Units - Density
A
kg m^-3
6
Q
Derived Units - Momentum
A
kg ms^-1
7
Q
Derived Units - Force
A
newton (N)
kg ms^-2
8
Q
Derived Units - Pressure
A
pascal (Pa)
N m^-2
9
Q
Derived Units - Work Done (energy)
A
joule (J)
N m
10
Q
Derived Units - Power
A
watt (W)
J s^-1
11
Q
Derived Units - Electrical Charge
A
coulomb (C)
A s
12
Q
Derived Units - Potential Difference
A
volt (V)
J C^-1
13
Q
Derived Units - Resistance
A
ohm
V A^-1
14
Q
Derived Units - Frequency
A
hertz (Hz)
s^-1
15
Q
Prefixes - pico (p)
A
10^-12
16
Q
Prefixes - nano (n)
A
10^-9
17
Q
Prefixes - micro (mu symbol)
A
10^-6
18
Q
Prefixes - milli (m)
A
10^-3
