180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)
Sunday, August 17, 2014
220: Three Scales
There are three scales.
The one on the right (navy shirt) indicates a 10 N force to the right ... +10 N.
The one on the left (green shirt) indicates a 10 N force to the left ... -10 N.
What will the scale in the middle read?
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