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.
How to take your baby's temperature. A normal temperature in babies and children is about 36.4C (97.5F), but this can vary slightly. A fever is usually considered to be a temperature of 38C (100.4F) or above. If you think your baby has a fever, it's best to check their temperature with a thermometer.