I think electric motors is an excellent idea, especially since it involves a phenomena like magnetism. If that doesn’t work out, how about using your robot as the subject and make a list of every physical property you can think of, then use the robot as a visual aid to demonstrate each topic. Some examples: Torque; any part in the bot that links the motors to the wheels or tracks, Inertia; any part of the bot when accelerating or decelerating, Static and dynamic coefficients of friction between your wheels/tracks and the carpet, the relationship between the topography of the carpet, weight of the bot and surface area that interfaces with the carpet, and hundreds more. Real world applications are always more interesting than hypothetical examples.
Good Luck and I hope you get an A+++++:
Tim Gates
Team #288
RoboDawgs
In our physics class, we made cannons, calculated the trajectory, and tried to hit targets at various distances—one group in our class made an air-cannon, and the thing was massive…shot the tennis balls like bullets (not much left to calculate there if your targets disentigrate on impact…I believed we received calls from the army wanting to buy the weapon) But anyways, just an idea…plus, you might just be able to coerce your teacher into giving you an A, with a little help from mr. cannon
Last year for an end of the year project in engineering i made a caapult. A Mangonel to be more precise. it was massive, to pull the arm back we strained in using a 2 ton winch, we didnt have any tools that could measure the large amounts of force the twisted ropes created. Man was that a fun project, i would recomend it.
There are a bunch of great projects, from building a homemade van degraph generator with a soda can and a rubberband to building a gaussian magnetic rifle with a ruler and some magnets, available at http://scitoys.com. I’d read through all the 30 or 40 expariments there, as they are are really cool and worth doing.