Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies Quartz-driven digital stopwatch with 1/100th

Quartz-driven digital stopwatch with 1/100th second precision and a built-in alarm

exposing the rotating coil and field magnet for direct observation as students supply 4-9V to drive the rotation

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

Engineered to produce a hotter

Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks

Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies Quartz-driven digital stopwatch with 1/100thClear coated wooden A ramp at 17 inches long paired with a double ended cone roller that appears to travel uphill while its center of mass actually descends along the diverging rails.