First aid is the immediate assistance or treatment given to someone who has been injured or suddenly taken ill. It is important to have a basic understanding of first aid principles as it can make a significant difference in an emergency situation.
Identify and analyze forces responsible for changes in rotational motion and develop an understanding of the effect of rotational inertia on the motion of a rotating object (e.g., merry-go-round, spinning toy, spinning figure skater, stellar collapse [supernova], rapidly spinning pulsar).