Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode.
 Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

How do thirty pounds of air in your tires hold up two tons of car?

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

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How do thirty pounds of air in your tires hold up two tons of car?

How do thirty pounds of air in your tires hold up two tons of car?