Educational equipment beam and moment Used to describe the principle of moment of force, consisting of

1. The beam is made of metal. Approximately 50 cm long, with holes for periodic hanging of the mass. Able to balance both sides
2. Metal base assembled with pole height not less than 35 cm.
3. There is a needle pointing the scale.
4. Scale plate can be adjusted position.
5. Metal plate with 2 hangers
6. Mass weight 10 grams, with hooks, amount of 10 pieces, packed in the same box.
7. The appearance of the device is similar to a scale. experimental Suitable for elementary - middle school