how much force can human withstand
The average Human body can withstand about 50 PSI blast pressure meaning sudden impact.     As far as sustained pressure the human body can withstand as much as 4 â¦ 00 PSI providing it is gradually increased to this amount.15 people found this useful.   As far as sustained pressure the human body can withstand as much as 4 â¦ 00 PSI providing it is gradually increased to this amount.