1.1 What is friction? Take this everyday example: when a coffee mug rests on a flat table, the kinetic frictional force is zero. There is no force trying to move the mug across the table, so there is ...

One type of friction can waste energy even when two perfectly smooth surfaces move against each other, but researchers are getting a handle on how to attenuate or stop it completely ...

The best part about living in Vermont is that we get to experience all of the seasons. Sometimes cool weather appears out of nowhere and we don’t have the proper attire so we rub our hands together to ...

As you wouldexpect, there are several areas within an engine where frictional losses are created, at the very minimum. Also consistent with conventional wisdom is the fact they are unavoidable and can ...

Pressure-testing your lesson first helps catch friction points early and launch with confidence. Download the free checklist ...