An object thrown into the air and moving under gravity alone is called a:

1. Two-dimensional motion under gravity has its own name. 2. The object is called a projectile. 3. Its path is called its trajectory. 4. A pendulum swings on a string rather than flying freely. _Source: OpenStax College Physics for AP(R) Courses 2e (CC BY 4.0), Ch 3 'Two-Dimensional Kinematics', sections 3.1-3.4_