NEW ZEALAND PHYSICS TEACHERS' RESOURCE BANK

Free Fall Scale

Poster

Poster frame from video: In most browsers, Click on image to play OR Right-click on image and "save target as" to your computer, then play in QuickTime, Windows Media Player, or another player.

Abstract
Scale holding object reads zero in free fall.
Portable Yes
Principles Illustrated
In free fall, the scale will read zero as both the mass and the scale are accelerating downward at g.
NCEA & Science Curriculum
SCI 1.1, PHYS 2.4
Teacher Guide
Would you like to contribute lesson suggestions? Contact us.
Video
mp4: FreeFallScale.mp4 (52KB)
Instructions
Drop the scale with suspended object. Scale will read zero. This has to be filmed. You can't read the scale while it is falling.
References
PIRA 1G20.41 and PIRA 1G20.42
Credits

This teaching resource was developed with support from

 
Copyright

Copyright and fair use statement