Answer: Constant motion happens by itself so long as friction or other influences do not bother it. One can say, however, that force can change the motion of something. When an object is at rest, applying a force will cause it to start moving. If something is moving, the right force applied to it can slow it down and stop it.
Explanation:
Answer:
Cold War means "a state of political hostility between countries characterized by threats, propaganda, and other measures short of open warfare.
Inner planets are closer to the sun.
Terrestrial are like the earth in some ways.
Moon is the celestial object that orbits a planet.
Orbit means move repeatedly around a planet.
Atmosphere is the gases that surround a planet.
