Tag: Physics

Determining the Force Normal on a Toy Car moving up a Curved Hill

– Good morning. Bo, please read the problem, and Billy, please translate. ♫ Flipping Physics ♫ – A 0.453-kilogram toy car moving at 1.15 meters per second is going up a semicircular hill with a radius of 0.89 meters. – Mass equals 0.453 kilograms. Tangential velocity equals 1.15 meters per second, and radius equals 0.89 […]

1st place Mousetrap Car Ideas- using SCIENCE

This is a mousetrap car. They’re common for competitions in high school physics classes Just like the egg drop challenge or building toothpick bridges. The goal is to build a car that travels the furthest or goes the Fastest, but in either case the only power provided to move the car is from a single […]

The Earth’s Spin Is Slowing Down! What Happens If It Stops?

No matter what happens, we can rest easy knowing that tomorrow is a new day! But that might not be something we’ll be able to say in billions of years. The Earth’s spin is slowing down. Eventually, days will get longer, and when they do, the lack of daily dawn could be the least of […]

How to Win a Bike Race: Using Gears

Gears are everywhere, in cars, elevators, even bikes. None of these objects would work as well as they do without the use of gears. But how can we understand what gears do? We’re going to take a close look at gear and try and understand a little more the physics and engineering that makes them […]

Why We Might Be Alone in the Universe

It’s so crazy that I just happen to be in one of the rare places in our universe where I don’t instantly asphyxiate or freeze or vaporize or dehydrate. … Just lucky I guess. Actually, it turns out that our very privileged perspective on the universe from Earth’s comfortable biosphere may tell us a lot […]

Why graphene hasn’t taken over the world…yet

– [Cory] It may not look like it, but I’m creating one of the strongest and most versatile materials on Earth, graphene. You’ve probably heard buzz about it. Graphene made big waves back in 2004, and it’s knocked around science news ever since. – A global race for graphene. – You know, it’s not just […]

4 Revolutionary Riddles Resolved!

This video contains the answers to my four revolutionary riddles, so if you haven’t seen the riddles yet, you should probably watch them before you watch the answers. It’s OK; I’ll wait. Just click this card up here. [Ticking clock sound] Now, when I filmed the riddles, I also filmed the solutions at the same […]