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.
Most doctors â and the American Academy of Pediatrics (AAP) â agree that a normal body temperature for a healthy baby is between 97 and 100.3 degrees Fahrenheit.If your baby's rectal temperature is 100.4 degrees or higher, he has a fever. higher-than-normal body temperature is called a fever. A fever is usually a sign that the body is waging a war against infection. Taking your baby's temperature can confirm your suspicions and help you and your child's doctor figure out the best way to get your baby back on the road to health.