Concept — Attraction between masses proportional to their product and inverse to the square of the distance.
Present in chapters
08
Linked atoms
35 linked atoms.
03 Piano inclinato e moto circolare
08 Gravitazione universale
- From Kepler to Newton: universal gravity
- Worked exercise: the Sun’s mass from Kepler
- r³
- Speculative physics: G doubled
- Sun-Earth gravitational force
- Earth-Moon gravitational force
- Force between two 100 kg spheres
- Gravity at different altitudes on Everest
- Gravity on the Moon and an astronaut’s weight
- Surface gravity on the Moon
- Surface gravity on the Moon
- ISS and weightlessness (free fall)
- Newton’s law of universal gravitation
- The hollow Moon
- The apple and the Moon
- The tides — why two a day
- Reading a graph: g(r) inside and outside the Earth
- Apple and Earth: mutual gravitational forces
- Newton, Hooke and the priority of the inverse square
- Why the Moon doesn’t fall
- Planet between two equal stars — unstable equilibrium
- Radius of a planet
- Ranking the surface gravity of three planets
- Ranking gravitational forces
- s²
- The Sun, the Earth and a car — comparing gravitational forces
- Estimating the mass of the Galaxy
- An apple and a moon: the invention of the terrestrial sky
- True or false on gravitation