Viewers learn to define and recognize the six simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle, and the pulley. Real-life situations demonstrate the function and purpose of each machine. Students learn the definition of work and the relationship between force and distance.
Branch Call Number: 621.8 SI392
Characteristics: 1 videodisc (15 min.) : sound, color ; 4 3/4 in. digital,optical video file,DVD video