The restart after a foul will be a direct free kick.
Indirect free kick offenses are not considered fouls. A foul must be done by a player, against an opponent, on the field, and during active play.
A rugby player can deliberately knock the ball back, but he/she cannot deliberately knock it forward.
the person that knocks the ball out of hands is the person it is out on
Yes, if you hit the cue ball into the target ball and the target ball knocks the 8 ball into a pocket you lose.
Your ball is replaced, as near as possible to where it was before it was moved, no penalty. Your opponent unfortunately has to play his ball as it lies, if it's in the water then so be it, he would have to take a penalty drop from the water.
no
on defense technique is a pick. that's when you guard another player that's going after the ball without calling a foul. Another defense technique is guard. That's when you guard one players and one player only. you have to stay in front of him or her and copy their every move.
The player that is out of bounds when the ball touches him.
yes
Your question's kind of off, if a defensive player has the ball, their on offense not defense therefore he/she is not a defensive player, but an offensive. Sounds like you're trying to ask is it a foul to jump in the air when the offensive player is trying to shoot. If that's your question then the answer's no, just straight up classic man-to-man defense.
Often, the offense will utilize picks (blocking the defender of the offensive player with the ball with another offensive player) against whoever is guarding the ball or even away from the ball. Often, the two defenders have to switch who they're guarding to keep the person with the ball from driving. When you switch, the offense often gets mis-matches (ie a quick, small offensive player guarded by a slow big player or vice versa, a big, strong player down low guarded by a short player). There is often a lot of confusion when multiple picks are used. Finally, and possibly the biggest factor is that it's exhausting. Rather than staying in one general region (like in a zone) you have to run all over the court to stay with your man.
No. An interception occurs when a player on the defense catches a ball that the quarterback or another player behind the line of scrimage throws. Since the Runingback is on the offense, any catches he makes is considered a reception, not an interception.
Fielder knocks the ball in fair territory