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.
The NHS recommends parents always contact a health professional if: Your baby is under three months old and their temperature is 38Â°C (101Â°F) or higher. Your baby is aged three to six months and their temperature is 39Â°C (102Â°F) or higher. Your baby is older than six months and their temperature is above 40Â°C (104-105Â°F). Your child has other signs of illness as well as a raised temperature.