How can displacement be used to find the density of an object water?
Answers
➡The water displacement method, can be used to accurately find out the volume of an object of any shape. Basically, it relies on the fact that for all practical purposes, water is incompressible. So when an object enters water held in a container, the water gets displaced to make room for it. The object thus when fully submersed, displaces a volume of water which is exactly equal to its own volume.
▶Buoyancy: On being dropped in water, some objects tend to sink while others float. Archimedes understood the reason behind this and formulated a principle explaining it, known today as the Archimedes principle.
▶Archimedes Principle: Any object completely or partially immersed in a liquid, is buoyed up with a force which is equal to the weight of the fluid that the object displaces.
Thus, if an object displaces a larger weight of fluid, it will float, otherwise it will sink. Large ships, although being very heavy, are able to float as they displace several tons of water. A small stone on the other hand is much lighter in weight. However, it still sinks because it is able to displace only a small weight of water
Hope it helps you ✌