Okay sweetie, let me explain what a linear induction motor is in a way that you can understand.
So do you remember how magnets work? Yes, magnets have two ends - a north pole and a south pole. When the north pole of one magnet is near the south pole of another magnet, they attract each other. But when the north pole of one magnet is near the north pole of another magnet, they repel each other.
A linear induction motor works by using this attraction and repulsion force between magnets. They use an electrical current to create a magnetic field that pushes and pulls a metal object called a "mover". The mover is usually a flat piece of metal or a coil that can slide back and forth along a track that has a series of magnets under it.
When the electrical current flows through the magnets, the magnetic field causes the mover to move forward. It's kind of like a magic carpet ride! But the mover doesn't need to be lifted off the ground like a magic carpet does.
Now, if we change the direction of the electrical current flowing through the magnets, the mover will move in the opposite direction. It's like you pressing an arrow key on your computer to move something either left or right. Same goes for this linear induction motor.
This technology is used in things like trains, roller coasters and other machinery to propel them forward. It's pretty cool, isn't it?