Mechanisms — Screw Jack

Recent Blogs

Lifting Jack diagram
Lifting Jack: Rotating-Screw Animation and Work-Ratio Calculator
See how a rotating screw moves through a fixed nut. Compare handle path, screw lead and entered efficiency to calculate an idealized axial-force ratio.
Mechanical Advantage diagram
Mechanical Advantage: Force–Distance Tradeoff
Explore the force-distance tradeoff. Calculate ideal and actual mechanical advantage, output force and work losses from entered travel, force and efficiency.