1. The problem statement, all variables and given/known data I need someone to help me fully understand Newton's Laws. I kinda get his second law, the sum of the forces equals mass times acceleration??, but yea. 2. Relevant equations Newton's First Law Newton's Second Law [URL]http://upload.wikimedia.org/math/1/9/9/199b3ff9558f5b5e1286d77f1b3b1c44.png[/URL] Newton's Third Law 3. The attempt at a solution Uh.....I checked with my teacher, no result.