Allow students to investigate the advantage behind different gear ratios.

• The unique stop system of this device allows students to load masses on the lever arm without it falling

Allow students to investigate the advantage behind different gear ratios. Experimenting with different setups, students discover the mechanical advantage of gears and three types of levers. You can also challenge students to devise a way to lift a mass using the least amount of force.

You can also challenge students to devise a way to lift a mass using the least amount of force.

Activity requires the fun stand, hooked masses, and spring scales, available separately.

Kit includes four gears, two levers, mounting hardware, and teacher and student guides.