how do you curve a soccer ball in fifa 11

Answer 1

easy just move the analog stick up and it puts spin on it

Answer 2

R1 or RT in a game when pressing circle gives you a placed shot, usually with curve

This is also the button to use during a penalty or freekick to have more curve than power. The curve is determined by the direction you point in after the shot is take in a freekick (NOT in a penalty).