it makes you fall over if you run while saying 'If up is down then left and right'
The plane rotates (banks) right. The force of the aileron on the left down will result in the left wing moving up. With the right aileron moving up, the right wing will move down. The result is a...
Vertical is up and down while horizontal is left and right.
its an example of opposites
Horizontal is left and right.