fullsizeoutput_4c6c Published March 31, 2018 at 1460 × 1006 in 3/26 – 3/30/18 (FBD, Newton’s 3rd) PhySP18SS6.1.8 From the Buoyancy Presentation: So the maximum upward buoyant force that the water can put on this bottle is equal to the whatever the bottle would weigh if it was full of water.