Item Detail Information
How a screw works
DVD
How a screw works
Copies
1 Total copies, 1 Copies are in, 0 Copies are out.
Compare the amount of work needed to remove a nail from a board with the amount of force required to remove a screw. Screws and nails are really different simple machines; the screw is a wedge wrapped around a cylinder and exerts force in several directions just as an ordinary wedge does.
  • Share It:
  • Pinterest
Title
How a screw works
Call No
TJ 181 H693 1988
Authors
Wilkinson, Ian
Symes, Bob
Films for the Humanities & Sciences (Firm)
Kineticvideo.com
Subjects
Screws.
Simple machines.
Mechanical movements.
DVDs.
Language
English
Published
Princeton, N.J. : Films For the Humanities & Sciences, c1988, 2005.
Publication Desc
1 DVD (ca. 7 min.) : sd., col. ; 4 3/4 in.
Series
The way things work
Dimensions
4 3/4 in.