Topic 1 : Key concept of physics Flashcards
1
Q
Metre
A
M
2
Q
Kilogram
A
Kg
3
Q
Second
A
S
4
Q
Ampere
A
A
5
Q
Kelvin
A
K
6
Q
Mole
A
Mol
7
Q
Volt
A
V
8
Q
Frequency
A
Hertz Hz
9
Q
Force
A
Newton N
10
Q
Energy
A
Joule J
11
Q
Power
A
Watt W
12
Q
Pressure
A
Pascal Pa
13
Q
Charge
A
coulomb c
14
Q
Distance
A
Distance = speed x time
15
Q
Acceleration
A
a = v-u / t
16
Q
weight
A
mg
17
Q
/\GPE
A
/\GPE=mg/\h
18
Q
KE
A
KE = 1/2 mv ^2
19
Q
efficiency
A
usefully energy output
——————————-
total energy input
20
Q
wave speed
A
v= f x /| (lambda)
