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.
âIf your infant is less than three months and has a rectal temperature greater than 100.4 F, call your pediatrician,â Drazba says. âFever in a newborn is very non-specific. It can be anything from a cold to meningitis, and we treat a fever more seriously in newborns,â she says.