Rotational Motion

• Rotational motion is about spinning things.
• If you take a wheel, and model it as a 2D object, it is spinning about a point (the axle).
• Put a mark on the wheel, and the position of that mark changes as the wheel spins.
• Angular velocity is the rate it is spinning at (rads/s).
• Angular acceleration is the rate the velocity is changing (rads/s^2).
• You can measure these things in radians and degrees.
• We've had some experience with this in spacewars. However, we just set the velocity magically.
• How could we use this to improve spacewars?