There is no penalty for that
There is no evidence that such a penalty exists in any football league currently.
This penalty is called "Clipping".
In college football, "The Death Penalty" is a term used when the NCAA rules that a University must discontinue playing intercollegiate football for one or more years. It happened a few years back with Southern Methodist University.
No
a penalty
It depends on who made the penalty.
The standard penalty for delay of game in American Football is 5 yards.
The penalty is a 5-Yard " Delay of Game " penalty
Yes, roughing the passer is a penalty. It calls for a 15 yard penalty on the offending team.
It is called the penalty arc. It is to ensure that defenders are 10 yards from the penalty spot when a penalty kick is taken.
It is a direct free kick, or a penalty kick if a defender kicks an attacker in the defender's penalty area.