Day 118: Universal Gravitation

2014-05-01 08.25.56

 

I started Universal Gravitation today (we do CFPM earlier and then come back to this, I like to spiral concepts when possible and I like revisiting CFPM after energy to address that no work is done by centripetal forces), and this is how I started. I liked it a lot. I was amazed at how entrenched the misconceptions are….students really wanted the force on the sun to be smaller than on the earth.

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