Podcasts · Bunsen Bites — small bites, big discoveries
Who's Holding the Other Two-Thirds? (Physics Level 8)
· 6:13 · S3 E17
Episode Who's Holding the Other Two-Thirds? (Physics Level 8)
We're going to find the one rule that makes that possible, and it fits in three words: force times distance. Then we'll find out what that rule secretly charges you, because nothing comes free, not even in physics.
No machine gives you something for nothing. Every one of them obeys moment = force × distance, and the units, newton metres, tell you why. A small force at a big distance equals a big force at a small distance. That's the whole trick behind the wheelbarrow, the pulley, the bike gear and your own arm.
Sources:
• https://www.geeksforgeeks.org/physics/types-of-lever/ • https://www.vedantu.com/jee-main/physics-levers • https://study.com/learn/lesson/muscle-levers-body-systems-examples.html • https://foreverwingman.com/asvab/mechanical-comprehension/levers/
Source: Episode 17 - Physics Level 8, Simple Machines (17/17) Style: Exam prep Length: 900 words, 5 min target Generated: 2026-10-25
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