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Why does a block of plastic released under water comes up to t

Science

Class 9

NCERT

Chapter 1: Matter in Our Surroundings

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Chapter 2: Is Matter Around Us Pure?

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Chapter 3: Atoms and Molecules

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Chapter 4: Structure of the Atom

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Chapter 5: The Fundamental Unit of Life

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Chapter 11: Sound

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Chapter 12: Why do We Fall Ill?

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Chapter 13: Natural Resourses

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Chapter 15: Gravitation

29 questions

In what direction does the buoyant force on an object immersed in a liquid act?

Why does a block of plastic released under water comes up to the surface of water?

50 g

of a substance is

20 c m^{3}

. If the density of water is

1 g c m^{- 3}

.Find the density of the substance and interpret whether the substance will sink or float?

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Question

Easy

Solving time: 2 mins

Why does a block of plastic released under water comes up to the surface of water?

Views: 6,520 students

Updated on: Mar 26, 2023

Book:

Science (NCERT)

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Text solutionVerified

We know that when a body is fully or partially immersed in a liquid a buoyant force will act on it in the upward direction. When it is more than gravity, it will bring it to the surface of water. Buoyancy force is more than gravity for materials with density smaller than water which holds for plastic and hence it comes up to the surface of water.

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Practice more questions from Science (NCERT)

In what direction does the buoyant force on an object immersed in a liquid act?

Why does a block of plastic released under water comes up to the surface of water?

50 g

of a substance is

20 c m^{3}

. If the density of water is

1 g c m^{- 3}

.Find the density of the substance and interpret whether the substance will sink or float?

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Question Text	Why does a block of plastic released under water comes up to the surface of water?
Updated On	Mar 26, 2023
Topic	Gravitation
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 4
Upvotes	410
Avg. Video Duration	6 min