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Gravitation — Revision Notes

Maharashtra Board · Class 10 · Science

Gravitation revision notes for Maharashtra Board Class 10 Science: 4 topics in quick points. Part of the Maharashtra Board Class 10 Science syllabus.

44 questions32 flashcards10 formulas & key relations5 concepts

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Key Topics to Revise

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1. Core ideas of gravitation

  • Gravitation is a universal force acting between any two objects in the universe.
  • Newton saw that an apple falls vertically downward and concluded that the earth attracts the apple towards its centre.
  • The force of gravitation acts between the earth and the moon, between planets and the Sun, and between every pair of masses.
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2. Kepler’s laws and Newton’s connection

  • Johannes Kepler used Brahe’s observational data to discover three laws of planetary motion.
  • Kepler’s first law says that the orbit of a planet is an ellipse with the Sun at one of the foci.
  • Kepler’s second law says that the line joining the planet and the Sun sweeps equal areas in equal intervals of time.
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3. Newton’s universal law of gravitation and the inverse square law

  • Every object in the universe attracts every other object with a definite force.
  • The force is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
  • If one mass is doubled, the force doubles.
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4. Gravity near the earth: g and its variation

  • Acceleration due to gravity is the acceleration produced by the earth’s gravitational force on objects near it.
  • It is a vector quantity and is directed towards the centre of the earth.
  • The acceleration due to gravity is the same for all objects at a given place, regardless of their properties.

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Full Notes

Key Concepts

Every object in the universe attractsKepler gave three lawsThe gravitational force between two massesG is the constant of proportionalityAn object moving in a circle

Frequently Asked Questions

What are the important topics in Gravitation for Maharashtra Board Class 10 Science?
Key topics in Gravitation include Core ideas of gravitation, Kepler’s laws and Newton’s connection, Newton’s universal law of gravitation and the inverse square law, Gravity near the earth: g and its variation. Study these first, then practise questions on each for the Maharashtra Board Class 10 board exam.
How should I revise Gravitation for the Maharashtra Board Class 10 board exam?
Learn the core ideas first, then work through the 44 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.

More resources for Gravitation

All Maharashtra Board Class 10 Science Revision Notes

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