Board from 1.13.11

Board updated for 1/14/11
Same except Begin Concept Development 5-2 if you have completed your Pair Share for Section 5.2.

ยท Projectile motion
1. It was Galileo who first accurately described projectile motion. He showed that it could be understood by analyzing the horizontal and vertical components separately. No one had done this prior to Galileo.
2. Projectiles follow a curved path. Galileo reasoned that a projectile is not only influenced by one motion, but by two. The motion that acts vertically is the force of gravity, the projectile is also moving forward, horizontally at the same time.
3. The horizontal motion is uniform and constant according to Galileo's principle of inertia.
4. Galileo actually found that the curve has an exact mathematical shape. The conclusion that Galileo reached was that the path of any projectile is a parabola.

Wanna see a power point about it?
projectile motion

Want to see more from this teacher?
Here is the whole unit

Here's some more fun stuff from the web, including cool sites where you can observe projectile motion

Cool little demo that shows how projectiles fall just like objects that are dropped.
The Monkey and the Hunter

A PhysicsQuest on Projectile Motion (good way to learn it!)
PhysicsQuest Projectile Motion

From Thinkquest

Fire Water balloons