1681922
Beschreibung
Mindmap von kangarew97, aktualisiert more than 1 year ago
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Erstellt von kangarew97
vor etwa 10 Jahre
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Planets and forces
- Radian: the angle subtended at the centre
of a circle by an arc of length equal to the
radius of the circle.
- Centrepetal force: net force
moving on an object in a circle.
- Newton's law of gravitation: any two point
masses attract each other with a force directly
proportional to the product of their masses and
inversley proportional the the square of their
seperation.
- Gravitational feild strength: the gravitational
force exterted per unit mass of a small object
placed on that point.
- G=Fm
- G=Fm
- Kepler's 3rd law of planetary motion:
the t squared of a planet is
proportional to r cubed from the sun.
- Feild: the region of space
surrounding a body where
other bodies feel a force due to
it.
- F=GMm/r2 - the force of
attraction between 2
masses.
- Geostationary satelites have a
24 hour orbit.
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