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.
An electronic digital thermometer is very accurate and recommended. A babyâs temperature should usually be taken under the armpit (axillary temperature). However, your babyâs health care provider may ask you to take a rectal temperature as well. Tell your babyâs health care provider which way you took the babyâs temperature.