$90\degree$  

 $180\degree$  

 $270\degree$  

 $360\degree$  

 $90\degree$  

 $180\degree$  

 $270\degree$  

 $360\degree$  

 $90\degree$  

 $180\degree$  

 $270\degree$  

 $360\degree$  

 $\frac{\pi}{6}\ rad$  

 $\frac{\pi}{4}\ rad$  

 $\frac{2\pi}{3}\ rad$  

 $\frac{4\pi}{3}\ rad$  

 $\frac{\pi}{6}\ rad$  

 $\frac{\pi}{4}\ rad$  

 $\frac{2\pi}{3}\ rad$  

 $\frac{4\pi}{3}\ rad$  

 $\frac{\pi}{6}\ rad$  

 $\frac{\pi}{4}\ rad$  

 $\frac{2\pi}{3}\ rad$  

 $\frac{4\pi}{3}\ rad$  

$\frac{\pi}{6}\ rad$

$\frac{\pi}{4}\ rad$

$\frac{2\pi}{3}\ rad$

$\frac{4\pi}{3}\ rad$

$S=r^2\theta$

$S=\frac{\theta}{r}$

$S=r\theta$

$S=\frac{r}{\theta}$

$AB=540$

$AB=3\pi$

$AB=12$

$AB=45$

Sine angle approximation

Small arc approximation

Sine arc approximation

Small angle approximation

$\omega=\frac{\theta}{t}$

$\omega=\frac{v}{r}$

$\omega=r\theta$

$\omega=\frac{v}{\theta}$

$f=\frac{2\pi}{t}$

$f=\frac{1}{T}$

$f=\frac{2\pi}{\omega}$

$f=\frac{\omega}{2\pi}$

$a_c=\frac{v}{r}$

$a_c=\frac{v^2}{r}$

$a_c=\frac{v^2}{r^2}$

$a_c=\frac{v}{r^2}$

$a_c=\omega r$

$a_c=\omega^2r$

$a_c=\omega r^2$

$a_c=\omega^2r^2$

$F=\frac{mv^2}{r}$

$F=m\omega^2r$

$F=\frac{mv}{r^2}$

$F=m\omega r^2$

If the string breaks, it will happen at the
top of the circle

If the string breaks, it will happen at the
bottom of the circle

Mercury

Venus

Mars

Jupiter

Mercury

Venus

Mars

Jupiter

Mercury

Venus

Mars

Jupiter