Mechanics

A2 Mechanics Topics

 

Quantities & Units:

  • (not covered in A2 Maths)
 
Kinematics:

 
Forces & Newton’s Laws:
 
 
Moments:
 

Things to remember for AS Mechanics

The SUVAT Equations

  • $V=U+AT$
  • $S=\left(\frac{U+V}{2}\right)T$
  • $V^2=U^2+2AS$
  • $S=UT+\frac{1}{2}AT^2$
  • $S=VT-\frac{1}{2}AT^2$

Variable Acceleration

  • ${\bf v}=\frac{d{\bf r}}{dt}$
  • ${\bf a}=\frac{d{\bf v}}{dt}=\frac{d^2{\bf r}}{dt^2}$
  • ${\bf v}=\int{\bf a}dt$
  • ${\bf r}=\int{\bf v}dt=\int\left(\int{\bf a}dt\right)dt$

Other

  • Gravity: $g=9.8m/s^2$
  • Resultant Force: $F=ma$
  • Friction: $F\leq \mu R$, at maximum when object is moving or about to move.