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When a Body is thrown upward it trace a Parabolic path while coming to the ground that path is known as Trajectory and the property of the body to trace this path is known as Projectile a body is said to be Projected . It is of 3 types
1 Ground to Ground = When a body is thrown from ground and Reach to the ground after some time.
2 Projectile from Height= When a Body is projected from a Tower or a height
3 Inclined Projectile = When a body is projected from Inclined plane.