An iron nail sinks in water while an iron ship floats in water. Why??? Share with your friends Share 1 Vaibhav T. answered this Kindly refer the link below.https://www.meritnation.com/ask-answer/question/an-iron-nail-sinks-in-water-but-an-iron-ship-floats-expla/gravitation/4089600 0 View Full Answer Vaishnavi Chougule answered this The weight of the water displaced by the ship is equal to its weight so it floats . whereas the weight of water displaced by the iron nail is less than its weight so the iron nail sinks 2