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Upthrust in Fluids and Archimedes Principle and Floatation

ICSE · Class 9 · Physics

All formulas from Upthrust in Fluids and Archimedes Principle and Floatation in ICSE Class 9 Physics. Key equations, constants, and identities for board exam preparation.

42 questions32 flashcards5 concepts

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A diagram illustrating a body partially or wholly immersed in a fluid, showing the upward buoyant force (upthrust) acting on it, opposing its weight. Include an empty can being pushed into water as an
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14 Formulas · 3 Sections

Formulas

Conditions for Floating and Sinking

ma = W - F_B'

a = (W - F_B')/m

F_B' = Vρ_Lg

Body floats if F_B' > W or F_B' = W

Body sinks if F_B' < W

Density and Relative Density

ρ = M/V

R.D. = ρ_s/ρ_w = m_s/m_w

R.D. = W1/(W1 - W2)

R.D. of solid soluble in water = (Weight of solid in air / Loss in weight in liquid) × R.D. of liquid

R.D. of liquid = (W1 - W2)/(W1 - W3)

Principle of Floatation and Applications

v/V = ρ_s/ρ_L

W = Vρ_sg

F_B = vρ_Lg

Iceberg submerged fraction = ρ_ice/ρ_water

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Frequently Asked Questions

What are the important topics in Upthrust in Fluids and Archimedes Principle and Floatation for ICSE Class 9 Physics?
Upthrust in Fluids and Archimedes Principle and Floatation covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Upthrust in Fluids and Archimedes Principle and Floatation — ICSE Class 9 Physics?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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