Mystery #3Tier 2simple machines / levers
Why does a long spanner loosen a stiff bolt when a short one will not budge it?
A bolt is done up so tight it will not move. You grab a short spanner, heave with all your might, and nothing happens. Then you fit a longer spanner onto the very same bolt, pull with the very same arm, and it cracks loose with ease. Your muscles did not get any stronger, so what changed?
Your guess
Same hand, same push, only the handle got longer. Why does that win?
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