Teacher 
Distributor
- Set of 2 Hall's Friction Cars.
- Can be used with an incline plane, weights, and pulleys to study the relationship between energy and work.
- Low friction wheels.
- Oil free sleeve bearings - never needs adjustment.
- Each car apparatus is a total of 8" long, with a carriage measuring 5.25" long, 2.25" wide, and 1.5" tall.
Set of 2 Hall's Friction Cars.
Can be used with an incline plane, weights, and pulleys to study the relationship between energy and work.
Low friction wheels.
Oil free sleeve bearings - never needs adjustment.
Each car apparatus is a total of 8" long, with a carriage measuring 5.25" long, 2.25" wide, and 1.5" tall.
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