Answer:
1. Your thumb would be much harder to move
2. It would be easier to dislocate our thumbs
3. Since it is a free moving joint, if we tried to grab onto something it could give out on us. (I think that's right)
4. It would have axial rotation
If our thumb contained a ball in the socket joint, then it would be able to move in multiple directions.
Step-by-step explanation:
Hope this helps! :)