# Hacktivateed

## How do iron ships float on water?

The floating of a big ship is based on the Archimedes’ principle. An iron nail sinks because it has more weight than the weight of the water it displaces. The weight of the water displaced by the ship is much more than its own weight. This makes the ship float on water.

Does iron sink or float in water?

Iron is much denser than water. A solid chunk of iron sinks, as you would expect, but an iron ship floats.

How do container ships float?

For a ship to float, it has to push its weight in water downwards – or displace it. Once it’s pushed down by the ship, this water pushes back upwards – and floats the ship. If you laid every cargo container the ship can carry end to end, they’d stretch for 72 miles.

### Why a ship doesn’t sink in water?

The air that is inside a ship is much less dense than water. That’s what keeps it floating! The average density of the total volume of the ship and everything inside of it (including the air) must be less than the same volume of water.

Why does a piece of iron floats in mercury but sinks in water?

A piece of iron is denser than water so it will sink in the water as no amount of buoyant force will be able to balance the weight of the piece of iron, however when placed in mercury, mercury being denser than the iron piece, the iron piece will float in mercury.

Is it possible to get a piece of iron to float?

Answer : YES , you can make iron to float , if its shape is such that the water desplaced by it has equal or more than weight of that iron . Many iron ships are there which floats on water.

#### Does a feather float or sink?

The density of the feather is less as compared to that of water makes the feather floats on water. A light substance whose density is less as compared to that of water floats in water. This is why it is seen that lighter things cannot easily sink in the water rather it floats on the water.

Why do boats float and rocks sink?

When an object is placed in water, there are two primary forces acting on it. If the gravitational force is less than the buoyancy force then the object floats (a boat), otherwise it sinks (a rock). That is, if an object weighs less than the amount of water it displaces then it floats otherwise it sinks.

What is the difference between sinking and drowning?

Sink is the act of submerging under water. Like when an object thrown in water weighs more than the water it displaces, it sinks down. So, we can have a sinking ship, a sunk boat, a sunk box etc. Drown means suffocating under water and dying.

## What has no weight but is heavy enough to sink a ship?

What weighs nothing but sinks ships? Your breath.

Will a piece of iron will float or sink in mercury?

We know that this is less than the density of mercury, which is 13 point 6 grams per centimeter cubed. So in this case the object which is on top of the liquid has nested entity that the scale 1 therefore the density of object less than density. So The object will float. So the piece of iron will float on the Mercury.

Why a needle sinks but a ship floats in water?

Complete answer: Density of iron is more than the density of water, so the iron needle sinks in water. Needles displace more water than its weight. Ship is hollow and empty space contains air, makes the average density of water is less than the average density of water and it floats on water.

### How are metal ” boats ” float in the water?

Buoyant Science: How Metal “Boats” Float. Consequently, while it was floating, the ball should have displaced the same amount of water as it decreased in diameter, and so the buoyant force should have remained the same. However, the density of the ball was changing—it increased as the ball’s diameter decreased.

How is a ship able to float on water?

Law of Flotation: Materials whose densities are lower than that of the liquid they are immersed in will float on that liquid. Wood and oil float on water, as the density of water is higher than the density of wood and oil. According to Archimedes’ principle, the design of a ship must ensure that it can displace water equal to the ship’s own weight.

How does an aluminum ball float in water?

Buoyant Science: How Metal “Boats” Float. When the aluminum ball had a diameter of 6.0 cm, the ball should have floated well because it had a density lower than that of water due to the air inside of the ball, just like steel ships that can float because their density has been lowered by encasing air inside the hull.

#### How big does a boat have to be to float on water?

So if a boat weighs 1,000 pounds (or kilograms), it will sink into the water until it has displaced 1,000 pounds (or kilograms) of water. Provided that the boat displaces 1,000 pounds of water before the whole thing is submerged, the boat floats.