Gravitation notes
OpenThe 4 formulas you need for Gravitation, on one page.
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Physics · printable
Gravitation: One-Page Formula Sheet
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Last updated: 26 October 2026
Formula sheet
Gravitation formulas
Gravitation — formula sheet
Formulas
- F = Gm₁m₂/r²
- g at height h ≈ g(1 − 2h/R) for h ≪ R; at depth d: g(1 − d/R)
- Orbital speed v = √(GM/r); escape speed = √(2GM/R)
- T² ∝ r³
Key ideas
- Gravity is an inverse-square, attractive, central force
- g decreases with height and with depth
- Total energy of a bound orbit is negative
- Kepler's 2nd law is conservation of angular momentum
Traps to avoid
- Using the h ≪ R approximation for large heights
- Confusing potential (−GM/r) with potential energy (−GMm/r)
- Using surface radius instead of orbital radius
jeevisionary.in/jee-topics/physics/gravitation/
FAQs
Frequently asked questions
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Read it once a day for a week, then cover it and write the formulas from memory. Revise only the ones you missed.