arabera Xflaid 2 4 years ago
475
Honelako gehiago
by Mike Ton
by Esmeralda Nohemí Pérez García
by Chris Flores
by Vincent Esmena
For rotation to occur, an eccentric force must be applied. Class 1 lever built for balance, Class 2 lever to save effort, and Class 3 lever for speed and range of motion.
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