how do wind up music boxes spin at a constant speed?

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Like when you wind it up and let go you expect the gears to spin really fast then slow down until it’s stationary right? How does it unwind at a constant speed then come to an (almost) abrupt stop?

In: Physics

2 Answers

Anonymous 0 Comments

Some older ones that I’ve disassembled in the past had a spinning fan of sorts and the air resistance would limit the speed the spring could unwind.

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