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Physics equations 3
For 2023 GCSE
| Left hand side | Right hand side | Symbol equation | In the equation sheet? |
|---|---|---|---|
| weight | mass x gravitational field strength | W = m g | yes (2023) |
| work done | force x distance (along the line of action of the force) | W = F s | yes (2023) |
| force applied to a spring | spring constant x extension | F = k e | yes (2023) |
| moment of a force | force x distance (normal to direction of force) | M = F d | yes (2023) |
| pressure | (force normal to a surface) / (area of that surface) | p = F / A | yes (2023) |
| distance travelled | speed x time | s = v t | yes (2023) |
| acceleration | (change in velocity) / (time taken) | a = (Δv) / t | yes (2023) |
| resultant force | mass x acceleration | F = m a | yes (2023) |
| momentum | mass x velocity | p = m v | yes (2023) |
| kinetic energy | 0.5 x mass x (speed)^2 | Ek = 0.5 m v^2 | yes (2023) |
| gravitational potential energy | mass x gravitational field strength x height | Ep = m g h | yes (2023) |
| power (in terms of energy transferred) | (energy transferred) / time | P = E / t | yes (2023) |
| power (in terms of work done) | (work done) / time | P = W / t | yes (2023) |
| efficiency (in terms of energy transfer) | (useful output energy transfer) / (total input energy transfer) | yes (2023) | |
| efficiency (in terms of power) | (useful power output) / (total power input) | yes (2023) | |
| wave speed | frequency x wavelength | v = f λ | yes (2023) |
| charge flow | current x time | Q = I t | yes (2023) |
| potential difference | current x resistance | V = I R | yes (2023) |
| power (in terms of potential difference) | potential difference x current | P = V I | yes (2023) |
| power (in terms of resistance) | (current)^2 x resistance | P = I^2 R | yes (2023) |
| energy transferred (in terms of power) | power x time | E = P t | yes (2023) |
| energy transferred (in terms of charge flow) | charge flow x potential difference | E = Q V | yes (2023) |
| density | (mass) / (volume) | ρ = m / V | yes (2023) |
| pressure due to a column of liquid | height of column x density of liquid x gravitational field strength | p = h ρ g | yes |
| (final velocity)^2 - (initial velocity)^2 | 2 x acceleration x distance | v^2 - u^2 = 2 a s | yes |
| force (in terms of momentum) | (change in momentum) / time taken | (m Δv) / (Δt) | yes |
| elastic potential energy | 0.5 x spring constant x (extension)^2 | Ee = 0.5 k e^2 | yes |
| change in thermal energy | mass x specific heat capacity x temperature change | ΔE = m c Δθ | yes |
| period | 1 / (frequency) | yes | |
| magnification | (image height) / (object height) | yes | |
| force on a conductor (at right angles to a magnetic field) carrying a current | magnetic flux density x current x length | F = B I l | yes |
| thermal energy for a change of state | mass x specific latent heat | E = m L | yes |
| (Potential difference across primary coil)/(potential difference across secondary coil) | (number of t turns in primary coil) / (number of terms in secondary coil) | (Vp) / (Vs) = (np) / (ns) | yes |
| (potential difference across primary coil) x (current in primary coil) | potential difference across secondary coil x current in secondary coil | Vp Ip = Vs Is | yes |
| For gases: pressure x volume | constant | p V = constant | yes |
Created by:
That cool NAMe
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