The second, relevant to this topic, was careful observation. The first was new methods for drawing or painting, e.g., perspective. While objects projected through small distances may appear to behave in this manner, under closer inspection and when viewing projectiles traveling greater distances, it becomes clear that projectiles do not behave in this manner.ĭuring the Renaissance, the focus, especially in the arts, was on representing as accurately as possible the real world whether on a 2 dimensional surface or a solid such as marble or granite. His medieval successors internalized this force in the projectile itself and called it "impetus." This impetus caused the object to move in a straight line until it was expended, at which point the object fell straight to the ground.
In Aristotle's theory of motion, projectiles were pushed along by an external force which was transmitted through the air. GALILEO'S STUDIES OF PROJECTILE MOTION GALILEO'S WORK ON PROJECTILE MOTION
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