3-Step Differential Pulley, 30/40/50mm Steps Health & Genetics_Equipment & Supplies and mechanical advantage studies in

and mechanical advantage studies in physics

producing water jets of varying distances to show how pressure increases with depth in hydrostatics

For restoring secure access to the UV sanitization chamber after a key is lost

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

3-Step Differential Pulley, 30/40/50mm Steps Health & Genetics_Equipment & Supplies and mechanical advantage studies inThree step differential pulley with 30mm, 40mm, and 50mm sheaves at 6 inches overall, showing how stepped diameter compound systems deliver progressive mechanical advantage.