Physics in Olympus Has Fallen #1
The first physics demonstration is a gun firing. A gun is a machine that shoots a projectile out of a barrel. Gunpowder explodes in the barrel propelling the bullet forward. The gun recoils from the action of shooting. The recoil is the reaction in an action reaction force. The gun has greater mass so the reaction is not as great as the action of the bullet leaving the barrel. This was demonstrated several times in the movie when they were shooting guns. The law that this uses is one of newtons laws Every action has an equal and opposite reaction.