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Why has a person to bend down while carrying a load on his back?
Wiki User
∙ 15y ago
Due to the added weight the person carrying on the back,normal centre of gravity of the combined body weight and the carrying weight shifted to new position.As a result a moment acts on the body of the man who is carrying the weight.To balance the moment the man needs to bend to achieve the stable condition.
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoBecause if we are standing up straight it can cause injury, spinal problems, and it can also make us short.
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