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Free-falling Bodies, Projectile Motion Without Air Resistance, Projectile Motion With Air Resistance

Ballistics is the study of projectile motion. A projectile is an object that has been launched, shot, hurled, thrown, or by other means projected, and continues in motion due to its own inertia. The path of the projectile is determined by its initial velocity (direction and speed) and the forces of gravity and air resistance. For objects projected close to Earth and with negligible air resistance, the flight path is a parabola. When air resistance is significant, however, the shape and rotation of the object are important and determining the flight path is more complicated. Ballistics influences many fields of study ranging from analyzing a curve ball to developing missile guidance systems.

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Science EncyclopediaScience & Philosophy: Ballistic galvanometer to Big–bang theory