1G30.11 "Fish Scale" (10-lb. weight demo) = (spring scale, 2 weights over 2 pulleys)

PURPOSE: A more complicated example of Newton's Second Law.

DESCRIPTION: Spring scale is set "into" rope between 2 weights (each over a pulley).

SETUP TIME: Medium (takes 2 people)

COMPONENT LIST:

    


  1.  Pulleys					Pulley box, CM shelves


  2.  Hanging masses				Mass box, CM shelves


  3.  Spring Scale					Spring Scale box, CM shelves


  4.  String					String box, CM shelves


  5.  Alternatively, there is a partial set-up ready in a box 

on the CM shelves. (Has the clamps and the pulleys/rods all set to go.)

SUGGESTIONS: See also 1J30.20

REFERENCES: PIRA 1G30.11, 1J30.20

OTHER NOTES: