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The general rule is that an object will float if it has less density than the liquid in which it is placed, or sink if its density is greater.

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11y ago

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Why doesn't a rock float?

A rock sinks in water because its density is greater than that of water. The weight of the rock is heavier than the water it displaces, causing it to sink rather than float.


When is a float no longer a float?

When it sinks.


Why would one rock float while one sinks?

The rock that sinks has a higher density than the rock that floats. (The only rock that floats is pumice.) More specifically, for a rock to float it must have a lower density than the fluid it is placed in. This will mean that a given volume of the material will have a smaller mass (and hence weight) than the fluid it displaces. As such the material will have positive bouyancy and will tend to float on top of the more dense material.


Does Fimo float?

No, Fimo does not float in water. It is a type of polymer clay that is dense and sinks in water.


Does mercury float on water?

No, it sinks.


Is the ring sink or float in oil?

It sinks


Can a coin float in a cup of water?

No, it sinks.


Does dolomite sink or float?

Float


Why does a stick float amd a rock sink?

A stick floats because it is less dense than water, meaning it weighs less per unit volume than water. On the other hand, a rock sinks because it is denser than water, meaning it weighs more per unit volume than water. The principle of buoyancy states that objects with a lower density than the fluid they are in will float, while objects with a higher density will sink.


Does ironwood float?

No, ironwood does not float. It is a dense and heavy type of wood that sinks in water.


What determines whether an object sinks or float?

density!


How can an object which sinks be made to float?

by fluffy stuff