The infamous "assume a frictionless surface" strikes again! Physics textbooks love creating these bizarrely simplified scenarios where basic laws of nature just... don't apply. Sure, let's ignore air resistance, friction, and apparently gravity's selective application while we're at it. The person in the cart gets normal physics, but the poor soul hanging below? Nope, they're just dangling in theoretical physics purgatory. This is exactly why students think physics is disconnected from reality. Next problem: "Calculate the velocity of this wagon assuming the pool is filled with inviscid fluid and the child is a perfect sphere."
But Without Air Resistance

physics-memes, textbooks-memes, idealized-memes, air-resistance-memes, frictionless-memes | ScienceHumor.io
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