When an object floats in a fluid, the weight of the fluid displaced equals the weight of the object. If you add a weight to the top of the block, an equal weight of water will be displaced. A fluid has a flexible shape, usually of its container. Fluid pressure is often due to gravity and the weight of the fluid above. The pressure at any point is in all directions.
Objects displace their volume in a fluid.
The differences of density determines whether an object will sink or float in the fluid. Walk with fluid grace. Search Home Work Exper . The shape of its container 2. A chemical reaction heats and expands a gas Gunpowder or dynamite expands Gravity 3.