When your child falls asleep somewhere, when a friend of yours overdoses on alcohol and passes out, or when you see him/her sleeping while watching a movie with your loved one, have you ever experienced this? You hugged me and carried me to bed ?
If you’ve ever worn them, you know they are much heavier than normal. Really why? people who are asleep or unconscious Does it feel like it’s heavier?
There is a concept called “dead weight.”
The concept of dead weight refers to the fact that a person weighs more when they lose consciousness or die. But this person His weight almost never changes, this There is another reason.
Besides having trouble carrying an unconscious person, people When they feel like they are losing consciousness, they also feel heavier.
When lifting something, the center of mass of that thing is important.

For example, lifting a 50-kilogram box is different from lifting a 50-kilogram pile of scrap metal. It is always easier to lift the box, because when balancing unevenly distributed weight Your own balance is also affected.
Continuous movement of objects while carrying a distributed load, without stopping Try adjusting your grip and balance causes. Naturally, this requires more effort and tension.
Let’s look at our real question: why does the weight of a conscious person feel different from that of an unconscious person?

The limbs of an unconscious person swing limply back and forth. His leg goes one way, his head the other. The body mass also shifts to the swinging limbs and, as we mentioned in the box example, becomes a burden for the person carrying it. makes control difficult.
However, if the person carried were conscious, he or she would probably automatically throw their arms around the wearer’s neck. This means part of the mass It would guarantee a transfer to the neck and shoulder side.
The person himself may also feel his body heavier because the looseness in his body prevents him from maintaining balance and he makes extra effort to remain stable. He cannot control his muscles or maintain his center of gravity. In other words, the difficulty we experience in carrying an unconscious person or the person who feels heavy is complete with center of mass relevant.
Sources: The Naked Scientists, Science ABC
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