The value of velocity ratio is greater than the value of mechanical advantage why

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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

The material that keeps its new shape after it is stretched is called?