I don't normally watch many NASCAR races, but I do come across some NASCAR videos online. Sometimes these clips become the basis of a great physics problem. In this case, it's a 21-car crash at the ...

Really, this is the experiment I wanted to start on. How does friction work in Bad Piggies? Let me start with a quick summary of my experiments so far. Scale. For the size of stuff in Bad Piggies, I ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Friction is a force that resists the motion of one object against another. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists began ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Friction is a force that exists when two surfaces rub up against each other. For example, this cup on ...

You can't escape friction. The force that resists motion between two objects that are in contact with one another exhibits itself all over the place: in between your engine's rod bearings and its ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

All street-legal brake pads sold in the U.S. feature DOT-mandated friction codes and other data marked right on the parts. That's important info because the higher a brake pad's coefficient of ...

If you press your finger gently on a table and slide it across the surface, you will find that it glides fairly easily. If you press harder, it becomes more difficult to slide it as the firmer contact ...

You've got the golden armadillo? Quick, go before the dragon catches you! It could be here any minute – why aren’t you moving faster? Friction? You mean the force between the surface of the road and ...