Projectile motion is entirely influenced by gravity. There are no components of projectile motion that are not influenced by gravity.

Here's why:

* Horizontal velocity: While gravity doesn't directly affect the horizontal velocity, it does affect the time of flight. A longer time of flight means the projectile travels further horizontally.

* Vertical velocity: Gravity directly affects the vertical velocity. It causes the projectile to slow down as it goes up and speed up as it comes down.

* Trajectory: Gravity determines the shape of the trajectory (the path the projectile takes). Without gravity, the projectile would travel in a straight line.

Let me know if you have any other questions!