Why does a block of plastic released under water come up to the surface of water?
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A block of plastic released under water comes up to the surface of water because the buoyant force (upthrust ) acting on the block of plastic due to water is greater than its weight . The buoyant force is greater because the density of water is greater than the density of plastic.
Buoyant force:
Upward force acting on an object immersed in a liquid is called buoyant force .
The upward force exerted by a liquid is also known as upthrust.
As we lower an object into a liquid the greater upward pressure of liquid underneath it provides an upward force called the buoyant force or upthrust.
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Hope this will help you.....
Buoyant force:
Upward force acting on an object immersed in a liquid is called buoyant force .
The upward force exerted by a liquid is also known as upthrust.
As we lower an object into a liquid the greater upward pressure of liquid underneath it provides an upward force called the buoyant force or upthrust.
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Hope this will help you.....
Answered by
1
Answer:
the density of plastic is less than water which result it in in a upward buyout force motors pushing the plastic block the surface of the water
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