Think of it this way, an average human can:
1) Pop a cheap balloon with his or her hands
2) Squish a cantaloupe with his or her hands (if they are big and strong)
3) Not even dent a coconut with his or her bare hands
The key differentiator here is the material of the object being crushed. We need a materials science engineer to opine on the tensile strength of a Men's NCAA basketball.
Surely, one of our DBR posters dabbles in materials science. Maybe Old Ficus knows someone who knows someone?