Description
the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations
this single large lump of genuine American coal ships in a cotton drawstring bag with a linked science-experiment activity
Plant leaf
the lower-friction variant of the metal-bearing bench-clamp pulley in the series
Hooke's Law Spring Material_Neoprene the drilled aluminum ball givesThree spring replacement set for the Hooke's law apparatus at 1. 25 inch loop to loop length and 0. 38 inch diameter, providing fresh springs as originals lose accuracy from repeated stretching.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
