Why does an object float in water?

An object floats in water primarily because it is less dense than the water. Density is defined as mass per unit volume, and when an object is less dense than the fluid it is placed in, it will not sink. Instead, it will float due to the upward buoyant force exerted by the water, which is greater than the downward gravitational force acting on the object.

When an object is placed in water, it displaces some of the water. If the weight of the water displaced is greater than the weight of the object, the object will float. This principle is described by Archimedes' principle, which states that the buoyant force is equal to the weight of the fluid that is displaced by the object.

The other options do not accurately capture why an object floats. For instance, being heavier than water implies it would sink unless an object is specifically designed to be shaped in a way that increases buoyancy. Displacing water is a part of the floating process, but the object must still be less dense than the water for it to float rather than sink. Lastly, stating that an object has no weight is misleading; all physical objects have weight due to gravity’s effect, and this weight is essential in determining buoyancy and whether