Physics Equations

acceleration (m/s2) = change in velocity (m/s) X times (s)

Charge flow (C) = current (A) X time (s)

Density (kg/m3) = mass (kg) / volume (m3)

Distance travelled (m) = speed (m/s) X time (s)

Energy Transferred (J) = charge (C) X potential difference (V)

Energy Transferred (J) = Power (W) X time (s)

efficiency = useful output energy transfer (J) / input energy transfer (J)

Force (N) = mass (kg) X acceleration (m/s2)

Force exerted by a spring = extension (m) X spring constant (N/m)

gravity force (N) = mass (kg) X gravitational field strength (N/m)

Momentum (Kgm/s) = mass (kg) X velocity (m/s)

Momentum (Kgm/s) = mass (kg) X velocity (m/s)

Moment of a force (Nm) = force (N) X distance (m)

Power (W) = work done (J) / Time (s)

Potential energy (J) = mass (kg) X height (m) X gravitational field strength (N/kg)

Pressure (Pa) = force (N) / area of that surface (m2)

Power (W) = potential difference (V) = current2 (A) X resistance (ohm)

Potential difference (V) = current (A) X resistance (ohm)

Wave Speed (m/s) = frequency (Hz) X Wavelength (m)

Work done (J) = force (N) X distance (m