In this video, we break down the classic physics problem of a block on an incline with friction. Learn how to calculate the forces at play, including gravitational force, normal force, and frictional ...

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 ...

As the force F is applied to block C, a pair of friction forces act on the crate at feet A and B. These friction forces create a net counterclockwise (CCW) moment about the crate’s center of mass. In ...

You might have seen some of the viral videos of this giant steel slide at Belle Isle Park in Michigan, which temporarily closed this summer because riders were sliding so fast they were losing contact ...

Schematic illustration of Friction Force Microscopy (FFM). The AFM cantilever, a small diving board-like structure about 200 micrometers long, 50 micrometers wide, and 1 micrometer thick, has a sharp ...

Why do humans, other primates and koalas have fingerprints? All are, or have ancestors who were, tree dwellers, and it has been generally accepted that fingerprints help individuals grab onto things ...