|
Physics
gets us where we want to go. See what principles allow airplanes to fly, trains to stay on
track, and cars to have horsepower. Planes Watch how four basic principles-thrust,
lift, weight, and drag-unite to make airplanes soar like birds. Trains Mighty steam
engines, brawny diesel locomotives, magnetic levitating supertrains. Discover how
different engines and rail systems work. Automobiles Learn about the history of
cars and find out how a gasoline engine converts potential energy into kinetic energy to
get a car moving.
ORDER CODE: AI-745265V
|
|