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Because iron is rusting.

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βˆ™ 11y ago
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Q: Why a wooden cork in water not an iron nail?
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Why does a wooden cork float in water but an iron nail sink?

Wooden cork is less dense than the water and the iron is not.


Can a nail float in water?

The nail sinks in water because the gravitational force attracts it downward toward the earth, there is an upthrust of water on the nail which pushes it upwards but, the downward force acting on the nail is greater that the upward force. Hence, the nail sinks in water. The density of the iron nail is more than that of the water, this means that the upthrust of water on the iron nail is less than the weight of the nail, so it sinks. The cork floats while nail sinks this happens because of the difference in their densities. The density of a substance is defined as the mass per unit volume. The density of the cork is less than the density of water. This mean the upthrust of the cork is greater than the weight of the cork. The density of the iron nail is more than that of the water, this means that the upthrust of water on the iron nail is less than the weight of the nail, so it sinks.


Is an iron nail heavier than a wooden stool?

It depends on the size and weight of the nail and stool. Generally, an iron nail is heavier than a wooden stool because iron is denser than wood.


A cork piece floats on water but an iron nail sinks give reason?

The cork piece floats because it is less dense than water, allowing it to displace enough water to support its weight. The iron nail sinks because it is denser than water and does not displace enough water to counteract its weight, causing it to sink.


What happens when a cork floats and a nail sinks?

What happens is that you can see that the density of a nail is more than the density of water and that the density of a cork is less than that of water.


Why an iron nail sinks in water whereas a cork for the same size floats?

The iron nail sinks in water because it is denser than water, causing it to displace less water than its volume, leading to it sinking. In contrast, the cork is less dense than water, so it displaces more water than its volume, allowing it to float on the water's surface.


An iron nail is more strongly attracted to the?

An iron nail is more strongly attracted to a magnet because the iron nail itself is made of ferromagnetic material, which can become magnetized in the presence of a magnetic field. This causes the iron nail to be attracted to the magnet.


Can rusting happens with iron nail when it is kept in distilled water?

Yes, rust happens to iron nail though it is kept in distilled water.


Which water rusts an iron nail the fastest?

Salt water.


Why iron nail sinks in water?

The density of iron is higher than that of water, so the iron nail sinks in water due to gravity pulling it downwards. The weight of the iron nail is greater than the buoyant force acting on it from the water, causing it to sink.


Does an iron nail rust faster in salt or tap water?

An iron nail will rust faster in saltwater than in tap water. This is because saltwater is conductive and accelerates the rusting process by promoting the flow of electrons between the iron nail and oxygen in the water.


How fast a nail will rust by water?

This really depends on the concentration of impurities in water. More the impurities, faster it will rust the iron nail. To reduce rusting of any iron the best way is to paint the nail.