Why does a cork float in water while an iron nail sinks?

Correct option is D

The correct answer is (d) Due to the difference in their densities.
· A cork floats in water because it has a lower density than water, meaning the buoyant force acting on it is greater than the weight of the cork.
· In contrast, an iron nail sinks because its density is much higher than that of water, making the gravitational force stronger than the buoyant force.
· Objects with a lower density than the fluid they are in will float, while objects with a higher density will sink.
Additional Knowledge:
· Due to the cork's floating capacity: While cork does float, it is due to its low density, not some inherent "floating capacity."
· Due to the same force acting on both: Both objects experience buoyant force, but the result (floating or sinking) depends on the object's density, not the equality of forces.
· Due to the difference in their forms: The form or shape may influence floating in some cases, but in this example, density is the primary reason for the cork floating and the nail sinking.