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.
If you notice a temperature that is even just slightly above the normal range ââ 38Â°C (101Â°F) taken rectally or 37.5Â°C (99.5Â°F) taken under the armpit â bring your newborn baby to the doctor as soon as possible.Also bring your newborn baby to the doctor if he has any of the following symptoms:n armpit temperature of 37.2Â°C (99Â°F) or higher means a fever. 1  Wait for the thermometer to take the reading. 2  The normal range for a temperature taken under the armpit is 36.7Â°C to 37.1Â°C (98.0Â°F to 98.8Â°F).