Wait a couple of hundred years and put anti-gravity in it.
Put air in it and take it on a ride on the vomit comet aircraft to have the barrel experence weightlessness.
Maybe you could just take the top off and let it fill with the sorrounding air and it will weigh
less while the top is off.
BEST ANSWER: A HOLE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11
If an empty barrel weighs 9 kilograms, there is nothing you can add to make it 8 kilograms. Adding anything to it will only add more weight.
Helium/hydrogen
An empty barrel that weighs 9 kilograms can be reduced to 8 kilograms by putting a hole in it. The hole has to be large enough to remove exactly 1 kilogram from the barrel.
118,000 kilograms weighs 260,145.5 pounds.
yes
175lbs weighs 79.4kg
In kilograms
it weighs .2
a small woman weighs 50 kilograms
51 kilograms weighs 112 pounds 7 ounces.
10 kilograms weighs 22 pounds 0.7 ounce.
3 kilograms weighs 6 pounds 10 ounces.
The Murcielago weighs 1,665 kilograms.They average about 1,600 kilograms.