Maharashtra State BoardSSC (English Medium) 8th Standard
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The Volume of a Plastic Covered Sealed Box is 350 Cm3 and the Box Has a Mass 500 G. Will the Box Float on Water Or Sink in Water? What Will Be the Mass of Water Displaced by the Box? - Science


The volume of a plastic covered sealed box is 350 cm3 and the box has a mass 500 g. Will the box float on water or sink in water? what will be the mass of water displaced by the box?

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Volume of box = 350 cm3
Mass of box = 500 g
Density of object = `"Mass of Object"/"Volume of Object" = 500/350` = 1.43 g/ cm3

Now, we know density of water = 1 g/cm3
Since, density of box > density of water, therefore the object is going to sink in water.
Now, volume of liquid displaced = Volume of the object = 350 cm3

⇒ `"Mass of liquid displaced"/"Density of liquid displaced" = 350   "cm"^3`

⇒ Mass of liquid = 350 × 1 = 350 g

Concept: Archemedes Principle
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Balbharati General Science 8th Standard Maharashtra State Board
Chapter 3 Force and Pressure
Exercise | Q 8 | Page 22
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