The larger these peaks and valleys are, the harder it is to slide the object. You can learn more about friction in How Brakes Work. A clutch works because of friction between a clutch plate and a flywheel. We'll look at how these parts work together in the next section.
You should take children older than 3 months to the emergency room (ER) for a fever if the fever is more than 104 degrees for a long period of time. Ice them down first and then bring them to the ER.
Not usually. You do need to pay attention to your baby's fever, though. If your baby's under 3 months old and has a temperature over 100.4 degrees F, you should take him to the doctor rather than try to bring his fever down yourself.f your baby's fever is below these markers and he's eating and acting okay, you don't need to do anything to bring his fever down. In fact, because a fever can help your baby fight an infection, it's a good idea to let it run its course.