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.
You'll need to bring your baby's internal temperature down as quickly as possible. Time is of the essence â a child suffering from severe heat stroke can easily slip into unconsciousness. First, call 911. Then undress your baby completely and lay him down in a cool area.