This document discusses projectile motion and objects under the influence of gravity. It explains that objects dropped or launched with both horizontal and vertical components will follow a parabolic trajectory due to Earth's gravity accelerating objects at 9.81 m/s2. Objects dropped from the same height will hit the ground at the same time regardless of mass when ignoring air resistance. Projectile motion problems can be solved using kinematic equations, considering the horizontal and vertical motion separately.

1. Projectile Motion Falling things, and rockets ‘n’ that…

2. Projectile Motion This involves any objects under the influence of gravity. Objects which are dropped (not travelling horizontally) and Objects which are launched (with a horizontal component).

4. This means in problems involving falling we can always use a=𝟗.𝟖𝟏 𝒎𝒔¯²in kinematic equations.

5. For every kg of mass an object experiences a weight force of 9.81 Newtons (N)

6. Given by: W=mg Where W is weight

9. State what you know, what do you want to find?

10. Choose an equation and solve for your unknown.

11. Look out for key words like.. “dropped”, “from rest” and “stationary:” Rutterp. 32,33 – odd questions

12. What will hit the ground first a bullet dropped or a bullet fired from the same height?Discuss with your neighbour…http://www.youtube.com/watch?v=D9wQVIEdKh8

14. The horizontal component is not affected by gravity, so use separate equationsfor the different components.http://www.tutorvista.com/content/physics/physics-iii/kinematics/projectile-motion-animation.php