What to do if you lift him?
Suppose you came down from the 30th floor, the elevator broke up. Who are you reading down. Shortly after four seconds, your speed will be approximately 40 meters in seconds, which is equal to 90 miles per hour. If your weight is 60 kilograms, then the momentum will stand 60 × 40 = 2400 kilogram -meter per second. Since gravitational acceleration is 9.8 meters per second * per second, so this momentum will increase every moment. That is, when the elevator falls on the ground, you will be beaten by weight a few times more than your weight. Even the neck of your head will be broken by the pressure of the neck. Trying to handle the push by folding your legs will not help. Because, the tremendous momentum of the falling body can not move. Trying to jump with zero is worthless. Because, it is difficult to understand when the elevator falls on the ground. In this situation, the most intelligent task will be to sleep on the elevator floor, so that the pressure of the body falls to the most spreading place and no part of the body should have any pressure on other organs.