# Equations Flashcards Preview

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

Flashcards in Equations Deck (28)
1
Q

Force, mass and acceleration

A

F = ma

2
Q

Weight, mass and gravitational field strength (g)

A

W = mg

3
Q

Pressure, force and area

A

p = F / A

4
Q

Pressure of a gas and temperature

A

P1 / T1 = P2 / T2

5
Q

Pressure of a gas and volume

A

P1V1 = P2V2

6
Q

Density, mass and volume

A

ρ = m / V

7
Q

Energy transferred, current, voltage and time

A

E = IVt

8
Q

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

A

Q = mcΔT

9
Q

Power, current and voltage

A

P = IV

10
Q

Charge, current and time

A

Q = It

11
Q

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

A

p = ρgh

12
Q

Voltage, current and resistance

A

V = IR

13
Q

Wave speed, wavelength and frequency

A

v = fλ

14
Q

Orbital speed, orbital circumference and time period

A

v = 2πr / T

15
Q

Frequency and time period

A

f = 1 / T

16
Q

Refractive index, angle of incidence and angle of refraction

A

n = sin i / sin r

17
Q

Critical angle and refractive index

A

sin C = 1 / n

18
Q

Average speed, distance and time

A

s = d / t

19
Q

Acceleration, final velocity, initial velocity and time

A

a = (v-u) / t

20
Q

Final velocity, initial velocity, acceleration and distance

A

v^2 = u^2 + 2as

21
Q

Momentum, mass and velocity

A

p = mv

22
Q

Impulse, force and time

A

Δp = Ft

23
Q

Moment, force and perpendicular distance from the pivot

A

Moment = Fd

24
Q

Work done, force and distance moved

A

W = Fd

25
Q

Work done and energy transferred

A

W = E

26
Q

GPE, mass, gravitational field strength and height

A

GPE = mgh

27
Q

KE, mass and velocity

A

KE = 1/2 m v^2

28
Q

Stopping distance, braking distance and thinking distance

A

ds = db + dt