Metal Dynamic Trolley PairThis metal dynamic trolley pair is engineered for physics experiments on motion, force, and collision. Made entirely from durable metal, one trolley includes a built in spring plunger for impact studies, while the other has a clamping screw for ticker tape. With added features like Velcro pads for studying inelastic collisions and stackable pins for easy storage, these high quality trolleys support a wide range of dynamic demonstrations. Educational
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