2 : Foundation of physics Flashcards
1
Q
S.I. units
A
- Kilogram kg
- metre m
- seconds s
- ampere A
- kelvin K
- mole mol
2
Q
S.I. quantities
A
- mass
- length
- time
- current
- temperature
- amount of substance
3
Q
pico (p)
A
10^ -12
4
Q
nano (n)
A
10^ -9
5
Q
micro (μ)
A
10^ -6
6
Q
milli (m)
A
10^ -3
7
Q
centi (c)
A
10^ -2
8
Q
deci (d)
A
10^ -1
9
Q
kilo (k)
A
10^ 3
10
Q
mega (M)
A
10^ 6
11
Q
giga (G)
A
10^ 9
12
Q
tera (T)
A
10^ 12
13
Q
Unit of force
A
- Newton (N)
- Kg m s^ -2
14
Q
Unit of pressure
A
- Pascal (Pa)
- N m^ -2
15
Q
Unit of energy and work done
A
- Joule ( J)
- N m
16
Q
Unit of power
A
- watt (W)
- J s^ -1
17
Q
Unit of potential difference
A
- volt (V)
- J C^ -1
18
Q
Unit of resistance
A
- ohm (Ω)
- V A^ -1
19
Q
Unit of charge
A
- coulomb (C)
-A s
20
Q
Unit of frequency
A
- hertz (Hz)
- s^ -1
21
Q
Scalar quantities
A
- magnitude and no direction
- ex time and speed
22
Q
Vector quantities
A
- magnitude and direction
- ex velocity and force
