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Summary of Contents for Eisco Ping Pong Catapult Kit
- Page 1 Ping Pong Catapult Kit GP00007...
- Page 2 Guide for Educators Easy to build and fun to use, this kit allows students to literally play with the physics of catapults! Shoot ping pong balls over 20 feet and explore 12 different catapult geometries. Students can experi- ment with different arrangements until they find the optimal configuration! Educational topics covered in the kit include force, acceleration, center-of-mass, vector components, Hooke’s law, parabolic trajectories, and class 2 levers.
- Page 3 The rubber band pulls on the lever arm Background with a force proportional to the stretched length (per Hooke’s law). The component Catapults were one of the most of force in the direction perpendicular to influential elements of siege warfare the lever arm accelerates the lever arm over the last 2500 years.
- Page 4 Assembly 2) Screw the c-shaped screw hook into the 1) Build the catapult frame by attaching the lever arm and attach to the catapult base left and right sides of the catapult to the and sides using a dowel. base using the four wood screws. View from back of catapult showing left side, base and right side with screws.
- Page 5 3) Insert the dowel for the rubber bands (the 4) Pull back the lever arm and insert the force dowel) near the top of the frame. At- stop dowel which controls the catapult tach rubber bands to dowel and c-shaped launch angle.
- Page 6 WARNING: THE CATAPULT CAN CAUSE INJURY TO FINGERS IF FIRED INCOR- RECTLY. SEE STEP 5 BELOW. 5) To fire the catapult, hold the base with one hand, load the ping pong ball and pull back the lever. Then, using your thumb to hold the lever, transfer your fingers to fur- ther secure the base.
- Page 7 Exploration For a projectile launched with constant speed at varying launch angles, the largest By changing the positions of the force, stop, range is achieved at a launch angle of 45°. and fulcrum dowels, various catapult geom- Is the largest range for this catapult etries can be explored.
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