Physics Equations Flashcards
GCSE Unit 2
1
Q
Equation of a straight line
A
y=mx+c
2
Q
Gradient
A
Rise
——-
Run
3
Q
Directly proportional relationship
A
A=B
If A doubles, B will double too
4
Q
Inversely proportional relationship
A
If A doubles, B will be halved
5
Q
Frequency
A
Number of waves
——————
Time
6
Q
Frequency
A
1
———
Period
7
Q
Average speed
A
Distance moved
———————
Time
8
Q
Velocity
A
Frequency x Wavelength
9
Q
Charge
A
Current x time
10
Q
Voltage
A
Current x Resistance
11
Q
Resistors in series
A
R= R1 + R2 + R3
12
Q
Energy
A
Power x time
13
Q
Power
A
Voltage x Current
14
Q
Resistors in parallel
A
1 1 1 1
—=—+—+—
R R1 R2 R3
