Are these Gravitation notes free?

Yes. The full 4-page Gravitation sheet is free inside CapCompass, which runs in your browser with no account needed.

What does the Gravitation revision sheet cover?

Kepler's laws, Orbit of a planet, Kepler's three laws, Universal law of gravitation, Gravitational constant, Newton's universal law of gravitation, The relations of this chapter, the universal law, acceleration due to gravity at the surface, weight, the force of gravity on a mass, g at a height h above the surface, escape velocity from a planet.

Is this for Class 10 Maharashtra SSC Science?

Yes, it is written for the Maharashtra SSC Science syllabus.

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Gravitation — Class 10 Maharashtra SSC Science revision notes

A 4-page visual revision sheet for Gravitation, written for Class 10 Maharashtra SSC Science. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.

Gravitation revision notes, page 1 of 4 — A preview of page 1 — all 4 pages open full size in the app.

Gravitation in one look

one law running planets and falling stones alike, and the difference between mass and weight

Kepler's three laws

first law: every planet moves in an ellipse with the Sun at one focus, not at the centre
second law: the line joining a planet to the Sun sweeps equal areas in equal times
so a planet moves faster when nearer the Sun and slower when further away, which is what the second law really says
third law: the square of the period is proportional to the cube of the mean distance, T^2 ∝ r^3
these were found from observation alone, before any explanation existed
Newton's law of gravitation later explained all three, which is why the two topics sit in one chapter

Newton's universal law of gravitation

every two bodies attract each other with a force proportional to the product of their masses
and inversely proportional to the square of the distance between their centres
so F = Gm_1m_2/r^2, the force acting along the line joining them
G is the universal gravitational constant, the same everywhere in the universe, with value 6.67 × 10^-11 N m² kg⁻²
the force is always attractive and never repulsive, which sets gravity apart from the electric force
the two forces on the two bodies are equal and opposite, so the Earth is pulled towards a falling stone exactly as hard as the stone is pulled towards the Earth

Page 1 of 4. The full sheet, all 4 pages, opens free in the app.

What this Gravitation sheet covers

Kepler's laws
Orbit of a planet
Kepler's three laws
Universal law of gravitation
Gravitational constant
Newton's universal law of gravitation
The relations of this chapter
the universal law
acceleration due to gravity at the surface
weight, the force of gravity on a mass
g at a height h above the surface
escape velocity from a planet
Kepler's third law
Why g does not depend on the falling body
Mass against weight
Mass
Weight
Variation of g
Free fall
How g varies
Weight on another planet
Escape velocity
Symbols in this chapter
Traps that cost marks
Tricks that save time

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