Consider a massless hollow sphere of unknown radius r suspended in pure water by a mass m = 41.4 kg as shown in the figure below. The density of pure water is rw = 1.00*10^3 kg/m3. You may neglect the buoyant force on the mass. (a) What is the magnitude of the gravitational force on the mass? (b) What is the magnitude of the buoyant force on the massless hollow sphere? (c) What is the radius r of the massless hollow sphere?

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.