Concepts 1. What are three different examples of projectile motion? 2. How does a projectile move in the vertical direction? 3. How does a projectile move in the horizontal direction? 4. What is the acceleration of a projectile in both directions? 5. What is the net force of a projectile in both directions? 6. How do you calculate the velocity of a projectile in both directions? 7. How do you calculate the height a projectile is launched from? 8. How do you calculate how far a projectile will travel horizontally? 9. How does mass influence how projectile falls? 10. How does surface area influence projectile motion? 11. What's the difference in projectile motion in a vacuum vs. in air