Farm tractors have huge tires, right? Huge tires. In that way, they put relatively low air pressure in them. That way when the tires roll over the crops, it does minimal damage. You can still hold up the tractor if you get enough area coming down. Otherwise, you'll be leaving deep tracks in the road and you can't have that.
What happens if Earth’s core is slowing? Neil deGrasse Tyson and comedian Chuck Nice explore the spinning of Earth’s core, the physics of tire pressure, and the science of toast.
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Photo Credit: NASA, Public domain, via Wikimedia Commons
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