PROJECTILE, Any object that, once launched or dropped, keeps moving on its own because of inertia and is affected only by gravity., INERTIA, The property of matter that keeps a projectile's horizontal velocity constant; connects to Newton's First Law., GRAVITY, The only force acting on a projectile once it's in the air (ignoring air resistance)., TRAJECTORY, The curved path that a projectile follows as it moves through the air., PARABOLA, The specific curved shape of a projectile's path., HORIZONTAL, The component of a projectile's motion that stays constant, since no force acts on it., VERTICAL, The component of a projectile's motion that behaves like free fall., VELOCITY, Speed with direction. A projectile's total motion is made up of two of these: one horizontal, one vertical., ACCELERATION, This quantity is still g, not zero, even at the exact top of a projectile's path., RANGE, The horizontal distance a projectile covers from its launch point to where it lands., HEIGHT, Along with range and time of flight, this is one of the three key things a projectile's motion is described by; it's greatest when a projectile is launched closer to 90°., ANGLE, Also called the angle of projection; together with initial speed, it shapes a projectile's height and range., FREEFALL, A special case of projectile motion with a purely vertical path and no horizontal component., DISPLACEMENT, The change in a projectile's position, tracked separately along the horizontal and vertical directions., COMPONENT, Projectile motion is broken down into a horizontal one and a vertical one of these., LAUNCH, The angle and speed of this action are the two main factors that shape a projectile's entire path.

PROJECTILE MOTION

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