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A steel needle will float in water as a consequence of surface tension.

A boat floats in water because it displaces sufficient air to make its effective density less than that of water.

Usually though, solid, spherical objects, for example, will float if they are made of materials that are less dense that water, which is to say that they have less mass per unit volume than water. In ordinary, imprecise language we say things weigh less than water.

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Q: When does a object float or sink in water?
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What determines if an abject will float or sinkin water?

The density of an object determines whether it will float or sink in water. If the object is denser than water, it will sink. If it is less dense, it will float.


Do ceramic float or sink?

a solid ceramic object would sink. however, if the object is displacing enough water proportional to it's weight, then it will float. If you put an empty glass bowl in the water, it will float; but if you allow water in, it will sink. This applies to ceramics.


If the density of an object is 1 then will that object sink or float?

The object would float in the middle if it was in water.


What will an object less dense then water do when placed in water float or sink?

float


What affects how an object sink and float in water?

the density of the object


If an object is less dense than water will it float or sink?

It will float.


What happens when an object is placed in water?

it will sink of it will float.


How can you use density to determine if an object will sink or float a fluid?

If the density of an object is lower than water then it will float, if the density is higher it will sink.


Does the denser object sink in water?

It depends! If it is more dense than water then it will sink. If not it will float.


What causes something to sink or float?

What causes it to sink or float is the density. The density of water is 1.0. If the object's density is more 1.0 then it sinks, but if the object's density is less then 1.0 then the object will float.


If the density of the water is more than the object will sink or float?

float (from a different answerer) It depends on what the object is.


If the density of the object is more than water will sink or float?

float (from a different answerer) It depends on what the object is.