Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies supplied in a plastic storage

supplied in a plastic storage case

and visceral organs in a combined lab-ready model

Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel

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

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

Center of Mass Roller-and-Ramp Demonstrator, 17" Microscopy_Microscopy Equipment &Supplies supplied in a plastic storageClear 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.