They allow you to determine possible outcomes without having to set up large and costly experiments. In the pharmaceutical industry for example they use animal tissue models to test drugs on to give...
They allow you to determine possible outcomes without having to set up large and costly experiments. In the pharmaceutical industry for example they use animal tissue models to test drugs on to give...
Friction can be useful for stopping cars when the brakes are put on, if you're running and need to stop quick, so basically to get grip. Also friction is good for fires and warmth.