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What happen if the needle place on a small tissue paper and very gently put the paper on the surface of water?
The tissue paper will likely float on the water's surface as long as the needle does not break through the paper. This is due to surface tension, which allows light objects to float on 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.
If you lay a steel needle horizontally on water it will float if you place the needle vertically into the water it will sink explain why?
Needle floats if u place it on the surface of the water even its density is heavier than water because there is a thin film on the water surface that is stretched towards the sides of the container because of the collision force of the molecules & this is called suface tension when u plae the needle vertically it tears the film therefore it sinks
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.
What happen if the needle place on a small tissue paper and very gently put the paper on the surface of water?
The tissue paper will likely float on the water's surface as long as the needle does not break through the paper. This is due to surface tension, which allows light objects to float on water.
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.
How do you get a needle to point north and south in a glass of water?
Place a magnet near the glass of water so that the needle aligns itself with the magnetic field of the Earth. The needle will then point north and south due to the influence of the magnet.
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.
If you lay a steel needle horizontally on water it will float if you place the needle vertically into the water it will sink explain why?
Needle floats if u place it on the surface of the water even its density is heavier than water because there is a thin film on the water surface that is stretched towards the sides of the container because of the collision force of the molecules & this is called suface tension when u plae the needle vertically it tears the film therefore it sinks
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.
What is the homonym for to use a needle and to place seeds?
The homonym for "to use a needle" is "sew", while the homonym for "to place seeds" is "sow".
Why can a sewing needle can float on the surface water in a glass?
Yes if the surface tension of the water is not broken. If you are careful you can place a needle on the surface of the water in a glass. Also if you reduce the surface tension with detergent (just a very little is enough) the needle will sink because it's density is greater than that of the water. NO (if the surface tension of the water is broken, a needle cannot float on the surface of water. This is because the needle has higher density than water (density is mass divided by volume).
Why would a needle flaot on the water?
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.
What do you need to make a floating compass?
You would need a piece of cork or other soft floating material, perhaps polystyrene, also a needle and a magnet. stroke the needle with the magnet a few times in the same direction and them insert the needle into the floater so that it is horizontal when the floater is placed in water, place floater into a container of water, the needle will point toward the magnetic north.
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."
