50 psi
550 lbs. of pressure
It takes about 7 pounds of pressure to break an elbow according to the UFC
fibula tibula
It takes about 8 pounds of pressure to break the human jaw
It typically takes around 500-700 pounds of pressure to break a pencil. The exact amount can vary depending on the type of pencil and its thickness.
Diamonds are extremely hard and have a high resistance to pressure. It would take approximately 600,000 atmospheres of pressure to break a diamond. This is equivalent to around 12 million pounds per square inch.
The pressure required to break a strip of duct tape will vary based on the brand and quality of the tape. On average, it may take around 20-30 pounds of force to break a standard strip of duct tape.
It is not so much as how much pressure as where the pressure is applied. If you keep the egg upright and try to apply pressure at the top and bottom, the egg won't break as easily as much as when you apply it in the middle. The shape of the egg gives greater tensile strength to the ends but the middle is comparitively fragile.
Take him to the doctor. Are you stupid or something?
It would only take about 30 pounds of pressure per square inch to break a human neck. At 25 pounds of pressure, it causes instant unconsciousness.
So for you femur bone, 2-3 elephants could stand on it w\out it breaking! Amazing right?