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.
A fever in a baby this young could mean a serious infection. The AAP suggests calling the doctor if a baby is between 3 months and 6 months old and has a fever of 101&deg F (38.3&deg C) or higher, or is older than 6 months and has a temperature of 103&deg F (39.4&deg C) or higher.ive him a fever reducer. Your doctor might recommend giving your child some baby acetaminophen (or ibuprofen, if your baby is at least 6 months old) to bring down the fever.