ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Weight in air and water, image 1 of 2. This mass is hanging from a newtonmeter, which shows that it has a weight of 5.5 newtons (equivalent to a mass of 0.56 kilograms). For the same mass in water, showing the reduction in weight due to the upthrust of water, see image A350/193.
Model release not required. Property release not required.