# weightlessness

> absence of stress and strain resulting from externally applied mechanical contact-forces, typically normal forces (from floors, seats, beds, scales, etc.)

**Wikidata**: [Q4299309](https://www.wikidata.org/wiki/Q4299309)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Weightlessness)  
**Source**: https://4ort.xyz/entity/weightlessness


## References

1. Freebase Data Dumps. 2013
2. BBC Things
3. YSO-Wikidata mapping project
4. Quora
5. KBpedia
6. GF WordNet
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)