Even Physics Textbooks Tend to Get Friction Slightly Wrong

Even Physics Textbooks Tend to Get Friction Slightly Wrong

Let's consider a very basic physics problem involving pushing a block with a frictional force .Let's use these two ideas for some simple physics cases and see what happens.Here is the momentum principle (in 1-D):Rhett AllainNow let's use this.

Get to Know Maxwell's Equations—You're Using Them Right Now

Get to Know Maxwell's Equations—You're Using Them Right Now

Get to Know Maxwell's Equations—You're Using Them Right Now. The behavior of magnets can be explained with Maxwell's equations, which also describe the behavior of light and everyday objects like electric motors.

The Secret to Soap Bubbles' Iridescent Rainbows

The Secret to Soap Bubbles' Iridescent Rainbows

When it comes to reflected light, you get a half wavelength phase shift if it reflects off a material with a higher index of refraction. As the film thickness changes, different wavelengths of light achieve constructive interference.

Estimate the Friction Coefficient in That Massive Nascar Pile-Up

Estimate the Friction Coefficient in That Massive Nascar Pile-Up

All I need is to determine the acceleration of a sliding car and I can get a value for the coefficient of kinetic friction between the tire and the road.

The Way Superman Picks Up a Building Is a Physics Travesty

The Way Superman Picks Up a Building Is a Physics Travesty

Rhett Allain Let's start with a rough estimate of the pressure between Superman's hands and the building. Now that I have the force that Superman pushes up on the building, I can also calculate the pressure.

How Do Viral Videos Make Money? YouTubers Share Their Secrets

How Do Viral Videos Make Money? YouTubers Share Their Secrets

Beyond that there are merch deals, collaborations with brands, and other promotions YouTubers can use to bring in cash from their channels."I don't think you get paid for subscribers [though]," says Rhett, one half of Rhett and Link, the team behind Good Mythical Morning—a fact that his cohost calls "sad."But that's just one of the tricks of the trade revealed in this episode of Creator Support, wherein we asked a host of YouTubers questions that fans and aspiring viral video creators posted on Twitter.