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Gravity and Inertia

Some words will be used more than once.

TermDefinition
gravity and inertia The eight planets in our solar system orbit the Sun due to the forces of--
gravity The force of attraction between the planets and the Sun.
gravitational attraction The strength of this depends on the mass of two objects and the distance between them
increases, increases Gravitational attraction between two objects ____________ as mass _______________________
Sun & Earth; Earth & Moon There is a stronger gravitational attraction between the Sun and Earth than there is between the Earth and the Moon.
decreases; increases Also, gravitational attraction between two objects ________________as distance _________________.
Inertia ____________________, the first law of motion, is also an important factor in our solar system.
motion; moving Intertia describes an object’s tendency toward _____________. Therefore, an object in motion will keep _______________unless some force stops it.
gravity and inertia Both _______________and ________________govern the motion of objects in our solar system by pulling the planets toward our Sun (gravity) and keeping our planets in motion (inertia).
inertia Without _____________, all objects in our solar system would be much closer to the most massive object, the Sun.
Created by: mccreesix
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