A-level Mathematics/OCR/M1/Formulae

Formulae
By the end of this module you will be expected to have learnt the following formulae:

Forces and Equilibrium

 * Weight $$= mass \times g $$
 * Limiting Friction: $$F = \mu R \,$$
 * $$ F = ma \,$$

Kinematics

 * $$ v = u + at \,$$
 * $$ s = ut + \frac {1}{2} at^2 $$
 * $$ s = \frac {1}{2}(u+v)t $$
 * $$ v^2 = u^2 + 2as \,$$
 * $$ s = vt - \frac {1}{2} at^2 $$
 * $$ v = \frac {ds}{dt}$$, $$ a = \frac {dv}{dt} $$

Linear Momentum

 * Momentum of a Particle: $$p = mv \,$$

Momentum is conserved. Therefore if there is a collision between 2 objects, the momentum before = momentum afterwards.

Impulse is the change in momentum.