Question

What should never be more than 10 of your body weight?

Answer 1

hey mate........

A backpack should not be more than 10 prcnt of your body weight.
in a recent study, 6 out of 10 students , age 9 to 20 , reported chronic back pain related to backpacks. the most common complains come from backpacks that are too heavy or improperly worn and cause pain or strain to the back and neck.

hope this will help you......

Answer 2

The weight of the backpack must not be more than 10% weight of the student's body