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.
Tell your babyâs health care provider which way you took the babyâs temperature. Do not use an ear thermometer on newborn babies as it can give an incorrect reading due to the ear canals being wet. You can use an ear thermometer when the baby is about six months old.