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A steel needle sinks in h20 but a steel ship floats?
The needle is solid, it's density higher than water's. The ship is hollow, its overall density lower than water's.
When a needle is placed on the surface of water it floats. Which idea best explains why this happens?
The surface tension of water keeps the needle afloat. Water molecules at the surface create a cohesive force acting inward, allowing the needle to sit on top without sinking.
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."
Why does a ship made of steel float while a needle sinks?
A ship made of steel floats because it has a hollow structure that displaces enough water to create buoyant force greater than its weight. A needle sinks because its density is greater than that of water, so it does not displace enough water to generate enough buoyant force to support its weight.
Why a large log of wood float on water but a steel needle sink?
The water extracted by the wood log while floating is of equal weight of the wood or more. For this reason, the log of wood floats while a steel needle sinks.
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
Can you tell why large log of wood floats on water but steel needle sinks?
Actually, the steel needle can float on water as well, so long as the surface tension is not broken. Answering the question, the buoyancy (ratio of density to that of displaced water) causes the log to float.
Why does a needle sink but a boat float?
The total weight of the surface area of a boat is less than than the weight of a body of water of the same size (buoyancy), so that is why it floats. A needle sinks because a body of water with the same size is lighter than the needle. Note: It is entirely possible to float a needle on water. It requires a bit of doing, but it can be done.
Why do needle sinks in water but ship floats?
Whether something sinks when it's placed on water is determined by the amount (weight) of water that it displaces. The needle, being small in size and relatively high in mass (relative to its size), displaces very little water when it is placed on the surface. The weight of the needle will be more than the weight of the water that it displaces and the needle will sink. The ship, though many times heavier than the needle, will displace alot more water than the needle. The ship will float if the weight of the displaced water is more than the weight of the ship.
Can float on water?
Of course. Fresh water floats on salt water, warmer water floats on cooler water, and ice floats on any water.
Why a 0.5g needle sinks into the sea while a ton of ice floats?
The 0.5g needle is denser than water, so it sinks. Ice is less dense than water due to its molecular structure and air trapped within, causing it to float. The buoyant force on the ice is greater than its weight, allowing it to stay afloat.
What is reason that a steel ship floats while a steel needle sinks?
The steel ship floats because of its shape and displacement of water, creating an upward buoyant force greater than its weight. The steel needle sinks because of its small volume and weight relative to its size, leading to a downward force greater than the buoyant force acting on it.
