Are Linear and Angular Momentum Conserved during this Collision? (9:51)
When a point particle collides with a rigid object with shape which is allowed to rotate on a stationary axis, is linear momentum of the system conserved? Is angular momentum of the system conserved? These questions are answered using both directions and equations, and also demonstrated.
This is an AP Physics 1 Topic. Content Times: 0:01 Translating the problem from words to physics 0:56 Looking at directions for conservation of linear momentum 2:15 Looking at equations for conservation of linear momentum 4:54 Looking at directions for conservation of angular momentum 6:29 Looking at equations for conservation of angular momentum 

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 Thank you to Jonathan SullivanWood for transcribing the English subtitles of this video.