# Mechanical amplification

by polyperson
Tags: amplification, mechanical
 Admin P: 21,827 It's a matter of successive levers to go from x to x3 or vice versa. The $$\Delta{s}$$ of the surfaces must be equal, assuming no slipping, so $$R_3\Delta{\theta_3}$$=$$R_2\Delta{\theta_2}$$, and its much the same between R1 and R2.