Upside Down Spring Scale

Weight hanging from an upside down scale hanging from a second scale
PIRA: 
1H10.41
Area: 
1 Mechanics
Topic: 
1H Newton's Third Law
Concept: 
Action and Reaction

 

Mass an object using a spring scale normally. Mass it with the scale upside down. The reading should be the same!

To make them the same, you must include another scale in the normal reading to represent the mass of the scale that will be shown in the upside down reading.

 

Demo Contact

Scott Thomas
Demonstration Manager
828-262-2435
thomassa@appstate.edu