1. The Crusher
Matt Jones
Matt Loeb
Justin Ferguson
Jon Taylor

2. The Crusher

3. Purpose
Using conservation of energy we will break a miniature calculus book.

4. Overview Fan blows ping pong ball. Ping pong ball hits dominos.
Last domino fall onto incline and into car.
Car roles down track.
Car hits steel ball.
Steel ball falls into slide.
Steel Ball falls from slide & hits mouse trap.
Mouse trap breaks miniature calculus book.
Maybe do the picture thing for each part like some on the net

5. Diagram

6. Energy Conversions (fan blowing ball) Kinetic rotational
(ping pong ball rolling & hitting dominos) Kinetic  Potential/Kinetic
(domino falling, sliding into car)Gravitational/Kinetic  Potential/Kinetic
(car rolling into ball) Kinetic  Potential/Kinetic
(ball falling into slide) Gravitational/Kinetic
(striking mousetrap and miniature calculus book)Elastic

7. Efficiency Efficiency = (Final Energy/Initial Energy)*(100)
Equation - [((1/2)mv^2)/(mgh)]*(100)
Efficiency = 35%