no the density of the water is unchanged.. the oil just sits on top without changing the set up too much.. but would the oil produce a downward force on the block, pushing it down? b/c the force exerted by the water originally only opposed gravity*weight of block
Homework Statement
Consider an object that floats in water but sinks in oil. When the object floats in a glass of water, half of the object is submerged. We now slowly pour oil into glass so it completely covers the object.. Compared to water level, does the object move up, move down, or stay...