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Because while you are straining to carry the object yoi are also straing to walk up the stairs at the same time. The object weighs you down while your walking up ALWAYS LIFT WITH YOUR BACK
It is 495 Newtons.
495 n
495 n
They both carry materials to new locations.
Because it is a pack that you carry on your back.
the backpack got sturdy and better to carry, also it can carry more things
A cannister vacuum,especially a backpack vacuum is the best choice.It's not because it's lighter,but because you only have the business end of it to fool with.
Yes, you can take a backpack on a plane as carry-on luggage as long as it still fits the size and weight restrictions for carry-on baggage.
to carry things around
a backpack or rucksack. :)
C. The way the backpack slides makes it seem lighter.
Simple. There is No Backpack kiddo. Revision: 2/15/11: There is a Backpack but it's only for PC. It's the one you carry Drugs around in During raid's and it's the bag you carry in "Four Leaf Clover" where you Rob the Bank of Liberty.
The invention of the backpack is important because it helps you carry your items around from place to place without problems.....
To carry items on one's person without hassel.
Ava's Accumulator.
It is a good idea to have a camera backpack, so that you will have everything you need for your camera with you. In your backpack you can carry an extra camera, different lens, flashguns and all of your accessories. If you have room you can even carry your wallet, phone, a drink and possibly even a snack!