How machines help us
Introduces basic principles of the lever, wheel and axle, pulley, inclined plane, wedge, and screw, and shows common usage of each. Shows the crowbar as a lever, and shows a doorknob as an example of a wheel and axle. Pictures the raising of the flag to illustrate the use of a pulley. Shows stairs as an example of an inclined plane, pictures carpenters driving nails as wedges, and presents the operation of an auto jack as an example of a screw.
Cenco Educational Film; Indiana University Audio-Visual Center
Mechanics; Simple machines; Physics
- Rights Statement
- No Copyright - United States
- Physical Description
1 Film (0:13:02); 16mm
- Other Identifiers
IULMIA Film Database: 30000077552192; Other: GR00410514; MDPI Barcode: 40000003235357
This item is accessible by: the public.