Formulas

density = mass / volume ( p=density, m=mass, volume=V )

average speed = distance moved / time taken ( )

average acceleration = change in velocity / time taken ( a = vf - vi / t )

gradient = y2 - y1 / x2 - x1

resultant force = mass x acceleration ( F = ma )

Fg (W) = mass x gravitational field strength ( Fg = mg )

momentum = mass x velocity ( )

resultant force = change in momentum / time