Description
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
Aluminum 40cm precision force table with tapped pulley positions and central ring assembly for resolving and composing force vectors under equilibrium conditions
and magnetic-property variations
5-inch compact and 6-inch long-format units
Inertia Demonstration Kit Material_Bristle Hard vulcanized ebonite rod thatDemonstrates Newton's first law by yanking a metal card from beneath a steel ball, leaving inertia to drop the ball straight into the waiting receptacle below.
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
























