GCSE Double Award Physics Equations - Unit 3 Foundation - Equations

Sep 5, 2026

Concise GCSE Double Award Physics equation sheet covering core relationships across electricity and energy, mechanics, and wave motion. Includes series and parallel resistance formulas, power and energy transfer links with efficiency, definitions for density and wave speed, and kinematic and force equations for Foundation and Higher tiers. Also provides SI unit multipliers with prefix symbols and conversion factors, supporting quick equation selection during problem solving and revision.

LanguageEnglish

CategoryExam

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Equations

Unit 3 Foundation

Unit 3 Higher

Unit 6 Foundation

Unit 6 Higher

SI multipliers

GCSE Double Award Physics Unit 3 Foundation | Equations | | | --- | --- | | current = rvoesislta~~t~~agnece | I = VR | | total resistance in a series circuit | R = R 1 + R2 | | energy transferred = power × time | E = Pt | | power = voltage × current | P = VI | | energy [or power] usefully transferred % efficiency = total energy [or power] supplied × 100 | | | density = vmassolume | m ρ = V | | units used (kWh) = power (kW) × time (h) cost = units used × cost per unit | | | wave speed = wavelength × frequency | v = λf | | speed = dis~~t~~tiamnece | | | SI multipliers
Prefix Symbol Conversion factor Multiplier milli m divide by 1000 1 × 10−3 centi c divide by 100 1 × 10−2 kilo k multiply by 1000 1 × 103 mega M multiply by 1000 000 1 × 106 | | GCSE Double Award Physics Unit 3 Higher Equations | current = rvoesislta~~t~~agnece | I = VR | | --- | --- | | total resistance in a series circuit | R = R 1 + R2 | | total resistance in a parallel circuit | 1 1 1 ~~ ~~ = ~~ ~~ + ~~ ~~R R 1 R2 | | energy transferred = power × time | E = Pt | | power = voltage × current | P = VI | | power = current2 × resistance | P = I2R | | energy [or power] usefully transferred % efficiency = total energy [or power] supplied × 100 | | | density = vmassolume | m ρ = V | | units used (kWh) = power (kW) × time (h) cost = units used × cost per unit | | | wave speed = wavelength × frequency | v = λf | | speed = dis~~t~~tiamnece | | SI multipliers | Prefix | Symbol | Conversion factor | Multiplier | | --- | --- | --- | --- | | pico | p | divide by 1000 000 000 000 | 1 × 10−12 | | nano | n | divide by 1000 000 000 | 1 × 10−9 | | micro | μ | divide by 1000 000 | 1 × 10−6 | | milli | m | divide by 1000 | 1 × 10−3 | | centi | c | divide by 100 | 1 × 10−2 | | kilo | k | multiply by 1000 | 1 × 103 | | --- | --- | --- | --- | | mega | M | multiply by 1000 000 | 1 × 106 | | giga | G | multiply by 1000 000 000 | 1 × 109 | | terra | T | multiply by 1000 000 000 000 | 1 × 1012 | GCSE Physics Unit 6 Foundation Equations | speed = dis~~t~~tiamnece | | | --- | --- | | acceleration [or deceleration] = change~~t~~iinm | ∆v
a = ~~ ~~t | | acceleration = gradient of a velocity-time graph | | | resultant force = mass × acceleration | F = ma | | weight = mass × gravitational field strength | W = mg | | work = force × distance | W = Fd | | force = spring constant × extension | F = kx | SI multipliers | Prefix | Symbol | Conversion factor | Multiplier | | --- | --- | --- | --- | | milli | m | divide by 1000 | 1 × 10−3 | | centi | c | divide by 100 | 1 × 10−2 | | kilo | k | multiply by 1000 | 1 × 103 | | mega | M | multiply by 1000 000 | 1 × 106 | GCSE Physics Unit 6 Higher Equations | speed = dis~~t~~tiamnece | | | --- | --- | | acceleration [or deceleration] = change~~t~~iinm | ∆v
a = ~~ ~~t | | acceleration = gradient of a velocity-time graph | | | distance travelled = area under a velocity-time graph | | | resultant force = mass × acceleration | F = ma | | weight = mass × gravitational field strength | W = mg | | work = force × distance | W = Fd | | kinetic energy = mass~~ ~~×~~ ~~velocity22 | KE = 12 mv2 | | change in potential energy
= mass ×
gravitational field strength
×
change in
height | PE = mgh | | force = spring constant × extension | F = kx | | work done in stretching = area under a force-extension graph | W = 12 Fx | SI multipliers | Prefix | Symbol | Conversion factor | Multiplier | | --- | --- | --- | --- | | pico | p | divide by 1000 000 000 000 | 1 × 10−12 | | nano | n | divide by 1000 000 000 | 1 × 10−9 | | micro | μ | divide by 1000 000 | 1 × 10−6 | | milli | m | divide by 1000 | 1 × 10−3 | | centi | c | divide by 100 | 1 × 10−2 | | kilo | k | multiply by 1000 | 1 × 103 | | --- | --- | --- | --- | | mega | M | multiply by 1000 000 | 1 × 106 | | giga | G | multiply by 1000 000 000 | 1 × 109 | | terra | T | multiply by 1000 000 000 000 | 1 × 1012 |

FAQs

What equation sheet topics are included in this document?

It covers resistance in series and parallel circuits, power and energy transfer (including efficiency), density and wave speed, and mechanics equations like acceleration, forces, work, and kinetic or potential energy (Higher).

How do you calculate total resistance in a series circuit and a parallel circuit?

For series: R = R1 + R2. For parallel: 1/R = 1/R1 + 1/R2.

Which SI prefixes and conversion multipliers are provided?

The sheet lists pico, nano, micro, milli, centi, kilo, mega, giga, and terra with their standard symbols and conversion factors (e.g., milli = 10−3, kilo = 103).

Sep 5, 2026

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