russ_watters Mentor Insights Author Messages 23,902 Reaction score 11,357 Jan 28, 2010 #2 weight of air displaced - weight of balloon = lift
James Leighe Messages 230 Reaction score 0 Jan 28, 2010 #3 moonman239 said: Like what's the equation? We know gravity is ~10 meters a second per second downward. So, if I had an object of mass M the force needed to keep an object up in the air would be M*10. Now, the only question is how much force does one balloon produce in the upward direction? Edit: beaten
moonman239 said: Like what's the equation? We know gravity is ~10 meters a second per second downward. So, if I had an object of mass M the force needed to keep an object up in the air would be M*10. Now, the only question is how much force does one balloon produce in the upward direction? Edit: beaten