33. Newton's 3rd law http://www.youtube.com/watch v=cP0Bb3WXJ_k
{"Image DocumentName": "33. Newton\u2019s 3rd law", "Image ImageDescription": "33. Newton\u2019s 3rd law", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}