Which description best explains the direction of the moving force of air?

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

What is the measurement of how fast an object moves relative to a reference point?

If a simple machine reduces the strength of a force, what must be increased?