+A **projectile** is any object cast into space by an external [force](/wiki/force) and left to fly under its own [motion](/wiki/motion) and the influence of gravity. It follows a curved path, its flight determined by initial velocity and resistance.
+## See also
+- [Ballistics](/wiki/ballistics)
+- [Trajectory](/wiki/trajectory)
+- [Weapon](/wiki/weapon)
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