Explore how forces and friction work to hold a block against a vertical wall. This video explains normal force, frictional force, and equilibrium conditions, showing how these forces balance to ...
Many NHL players like Connor McDavid and Nathan MacKinnon skate faster than 20 miles per hour every game. Hall of Famer Bobby ...
How much do you know about friction? Jennifer R. Vail's charming, if sometimes technical, "biography" of the force showcases its amazing and largely overlooked role in everything from climate change ...
Of course, the study of friction is nothing new; and to explain the 20th-century crisis, and to understand where tribology may yet take us, we must first understand how we got here. So begins Vail’s ...
In this video, we explain the capstan equation and how friction affects a rope or string wrapped around a surface. You’ll learn where the equation comes from, what each term means, and how it’s ...
In "Friction," tribologist Jennifer Vail shows how the fundamental force that resists motion keeps driving us forward.
The grass tennis courts of Wimbledon are among the most recognizable in the world. But despite its fame, grass is one of the rarest surfaces on which tennis is played today; many tennis fans and ...
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