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Edexcel iGCSE (9-1) Physics > Equations > Flashcards

Flashcards in Equations Deck (28)
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1

Force, mass and acceleration

F = ma

2

Weight, mass and gravitational field strength (g)

W = mg

3

Pressure, force and area

p = F / A

4

Pressure of a gas and temperature

P1 / T1 = P2 / T2

5

Pressure of a gas and volume

P1V1 = P2V2

6

Density, mass and volume

ρ = m / V

7

Energy transferred, current, voltage and time

E = IVt

8

Energy transferred, mass, specific heat capacity and change in temperature

Q = mcΔT

9

Power, current and voltage

P = IV

10

Charge, current and time

Q = It

11

Pressure difference, density, gravitational field strength (g) and height

p = ρgh

12

Voltage, current and resistance

V = IR

13

Wave speed, wavelength and frequency

v = fλ

14

Orbital speed, orbital circumference and time period

v = 2πr / T

15

Frequency and time period

f = 1 / T

16

Refractive index, angle of incidence and angle of refraction

n = sin i / sin r

17

Critical angle and refractive index

sin C = 1 / n

18

Average speed, distance and time

s = d / t

19

Acceleration, final velocity, initial velocity and time

a = (v-u) / t

20

Final velocity, initial velocity, acceleration and distance

v^2 = u^2 + 2as

21

Momentum, mass and velocity

p = mv

22

Impulse, force and time

Δp = Ft

23

Moment, force and perpendicular distance from the pivot

Moment = Fd

24

Work done, force and distance moved

W = Fd

25

Work done and energy transferred

W = E

26

GPE, mass, gravitational field strength and height

GPE = mgh

27

KE, mass and velocity

KE = 1/2 m v^2

28

Stopping distance, braking distance and thinking distance

ds = db + dt