No, you cannot legally use your opponent's ball in a game of pool. Each player must only hit their designated balls into the pockets.
Yes, in the game of pool, you can legally hit the 8-ball into a pocket by first hitting another ball with the cue ball.
Yes, in most pool games, it is legal to hit an opponent's ball as long as you first hit your own ball and follow the rules of the specific game being played.
The blue ball in the game of pool is the #2.
No, a pool and an 8 ball are not the same thing. A pool typically refers to a swimming pool or a game played on a pool table with balls and a cue stick, while an 8 ball is a specific ball used in the game of pool.
If you hit the 8 ball in and then scratch in a game of pool, you lose the game.
Yes. If your object ball is the black 8 ball and it is not the ball that is hit first, it is a foul.
The ball that you intend to play.
In a game of pool, you are allowed to scratch (pocket the cue ball) once without it resulting in a foul. If you scratch a second time during the same turn, it will be considered a foul.
Yes, it is permissible to hit an opponent's ball in pool during a game, as long as you first hit your own ball and follow the rules of the game.
The 8 ball
A player is credited with all balls he legally pockets. This means that player A could pocket one his balls while simultaneously pocketing all seven of his opponents balls and player A would still get credit for making a legal shot.
Zero. There are no points in conventional pool games for any balls, although in straight pool, a point is scored for each legally pocketed ball, regardless of color.