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A needle can float on water due to surface tension. The surface tension of water is strong enough to support the needle and prevent it from sinking, as long as the needle is carefully placed on the water and doesn't break the surface tension.

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AnswerBot

1y ago

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Why when you put the needle in the water it will going down?

When a needle is placed on the surface of water, the surface tension of the water causes it to be attracted to the needle, creating a depression in the water surface underneath the needle. This results in a downward force acting on the needle, causing it to sink into the water.


Why needle sinks in water?

As we know that the ratio of the density to the volume is inverse relation. As the volume of the object is lesser, than the density will be greater.So the condition of floating bodies depend upon the weight of the displaced liquid.If the object(needle) is denser,so it will not be able to displace more liquid.Therefore needle sinks in water.


Does the needle float or sink in water?

A needle will sink in water because it is denser than water. The buoyancy force acting on the needle is not enough to counteract its weight, causing it to sink.


What makes a needle to float in water?

A needle can float on water due to surface tension. When the needle is carefully placed on the surface of the water, its weight is not enough to break the surface tension created by the water molecules, causing it to float.


Why needle with grease float on water surface?

The needle with grease floats on water because the grease creates a waterproof barrier around the needle. When placed on water, the surface tension of the water is able to support the needle and grease due to the decreased contact between the needle and water. This phenomenon is known as the "floating needle trick."

Related Questions

Why do humans flaot in space?

Because there is no gravity to pull you down. It is the same when your inside water.


Why when you put the needle in the water it will going down?

When a needle is placed on the surface of water, the surface tension of the water causes it to be attracted to the needle, creating a depression in the water surface underneath the needle. This results in a downward force acting on the needle, causing it to sink into the water.


Why needle sinks in water?

As we know that the ratio of the density to the volume is inverse relation. As the volume of the object is lesser, than the density will be greater.So the condition of floating bodies depend upon the weight of the displaced liquid.If the object(needle) is denser,so it will not be able to displace more liquid.Therefore needle sinks in water.


Does the needle float or sink in water?

A needle will sink in water because it is denser than water. The buoyancy force acting on the needle is not enough to counteract its weight, causing it to sink.


What makes a needle to float in water?

A needle can float on water due to surface tension. When the needle is carefully placed on the surface of the water, its weight is not enough to break the surface tension created by the water molecules, causing it to float.


Do jellyfish have shelters?

No they dont they flaot around even when they sleep.


How can hot water flaot on cold water?

hot water has a lower density because since it is hot, all the particles repel from each other. therefore, cold water has a greater density that hot water which results in the floating effect


Why needle with grease float on water surface?

The needle with grease floats on water because the grease creates a waterproof barrier around the needle. When placed on water, the surface tension of the water is able to support the needle and grease due to the decreased contact between the needle and water. This phenomenon is known as the "floating needle trick."


What are some of Jupiters's special features?

it can flaot in the sky like no other!


What will happen to a needle if pinch of detergent is added to a water?

If you have floated a needle on the surface of the water in a glass then adding a little detergent will cause the needle to sink. This is because the presence of the detergent changes the surface tension of the water so that it can no longer support the needle.


Does needle float on water?

Yes, a needle can float on water if it is carefully placed on the surface due to surface tension. However, if the needle is pushed down into the water, it will sink due to its density being greater than that of water.


What is the problem when your car hot water needle does work?

I assume you mean "When your hot water needle does NOT work." Thermostat.