How To Use Velocity, Acceleration And Force In Your Game

Here is a video we made showing how you can use Velocity, Acceleration, and Force in Buildbox.

 

how can you make an object enemy like a fireball move up and down in the y axiess in a fixed direction and not random like a yowyow or for example i have to pipes when up and one down so how can the ball starts for the 1st pipe and go down to the second pipe and come back again to the first pipe its a enemy object