Why is the doorknob attached on the opposite side of the door from the hinges?

Because the distance from the jamb where the hinge is attached to the handle is a shoulder of force, and the larger the shoulder of force, the less force must be applied to open the door.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.