3 ms·
Hydraulics can do this. Pump in the oil, close a valve. Mechanics: worm gears, ratchets. Static friction: e.g. tuning pegs in pianos (no gears).
by kazinator 2y ago
Hydraulics can do this. Pump in the oil, close a valve.
Mechanics: worm gears, ratchets. Static friction: e.g. tuning pegs in pianos (no gears).