Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors showing how different wheel diameters

showing how different wheel diameters change mechanical advantage

demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest

5mm metric threads

and human helminth infection for medical parasitology teaching

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors showing how different wheel diametersAluminum 1 inch diameter pendulum bob at 0. 7 oz with a removable threaded brass hook, the lightest option in the series for mass dependent period comparison experiments.