Recent content by lcypf

First you got to know that the ball fly deviously is because the speed of flowing air is different on both side of the ball which could produce a kind of force by the different pressure(the pressure around something moving fast is smaller than that around something moving slowly).So the force...

Actually the action and reaction force are affect on different objects so they could make the objects moves or accelerated. For example ,if I push someone ,I will move backward and he will move forward.(I'm not an american.Maybe there're some grammar error,please correct me.)