Why does a 1 g coin sink in water, while a 1,000,000 kg ship floats on the surface of the water?

Because the weight of the water displaced by the ship is equal to the weight of the ship itself, and the weight of the ox displaced by the coin is less than the weight of the coin, because the density of the material.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.