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Chapter 9 of 12
Formula Sheet

Gravitation — Formula Sheet

Madhya Pradesh Board · Class 9 · Science

15 formulas from Gravitation (Madhya Pradesh Board Class 9 Science) on one page, grouped by topic. Includes Universal Law and Formula.

30 questions24 flashcards15 formulas & key relations5 concepts

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A diagram illustrating two objects with masses M and m, separated by a distance d, showing the gravitational force of attraction between their centers and the relevant variables.
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15 Entries · 8 Sections

Formulas and Key Relations

Universal Law of Gravitation

F = G × (M × m) / d²

G = 6.674 × 10⁻¹¹ N m² kg⁻²

Free Fall and Acceleration due to Gravity

g = GM / R²

g = 9.8 m/s² ≈ 10 m/s² (for easy calculations)

v = u + gt

s = ut + ½gt²

v² = u² + 2gs

Mass and Weight

W = m × g

W_moon = (1/6) × W_earth

Thrust and Pressure

Pressure (P) = Thrust (F) / Area (A)

Free Fall and Acceleration due to Gravity

Acceleration due to gravity (g) = 9.8 m/s² near Earth's surface

Thrust and Pressure

Pressure is thrust per unit area (P = F/A)

Universal Law

F = GMm/d², where G = 6.674 × 10⁻¹¹ N m² kg⁻².

Acceleration due to gravity (g) ≈ 9.8 m/s², often approximated as 10 m/s².

Formula

g = GMₑ/Rₑ² (derived by combining Newton's Second Law and Universal Gravitation Law).

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Frequently Asked Questions

What are the important topics in Gravitation for Madhya Pradesh Board Class 9 Science?
Key topics in Gravitation include Universal Law of Gravitation, Free Fall and Acceleration due to Gravity, Mass and Weight, Thrust and Pressure. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Gravitation?
This sheet lists 15 formulas from Gravitation, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Gravitation for Class 9 exams?
Learn the core ideas first, then work through the 30 practice questions on Gravitation. Revise 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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