Recent content by tiwai016

friction -- exists in a vacuum? Is it possible for friction to take place in a vaccum?

hi everyone, I just thought of an equation and try to solve it , the equation is 3(y)-4(x)=2(y-2)+3(x+y/3). the answers I have had so far of both equations are not the same, can someone help me out, I have a questions , what steps under what...