The force required to hold a 6.8 kg backpack in your arms would be equal to the weight of the backpack, which is 6.8 kg multiplied by the acceleration due to gravity (9.8 m/s^2), giving a force of about 66.64 N.
A school backpack should weigh less then 15 % of your body weight.
9.8 oz like the adizeros
ProTeam backpack vacuums range in weight from 8 to 13 pounds (3.6 to 5.9 kilograms). When harnesses and straps are adjusted properly, the weight is evenly distributed making the vacuum seem like it weighs much less.
Your Siberian husky shouldn't be carrying a backpack. She needs to feel free on her back other than her harness otherwise it hinders her movement.
112lbs
it can hold as much weight as it can handle
it can hold up to 2 gallons
Paper can hold exactly 4.5 kg
About 50,000 lb.
90lbs
120 pounds