What is it called if a batter hits and reaches second base?

Answer 1

If the player gets to second base on his hit, it is a double.

If a player is on first base and goes to second base on a pitch during another player's at bat, it is called stealing second base.

If a player is on first base and goes to second base on another players hit, walk, ground out, etc., it is called being advanced to second base.

Answer 2

its called a double play. it is the same as if a ball is hit up the middle and the shortstop gets it and gets the runner out at second and then throws to get the guy out at first

Answer 3

a double