F=ma

Oct 15, 2009 13:07

Today in Physics class we empirically derived Newton's Second Law, a = F/m (or F=ma ( Read more... )

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bluekirby October 16 2009, 14:45:30 UTC
Do you come up with the labs or do you follow a curriculum?

My favorite HS physics lab was when we got to energy. We had a straitened stiff wire with a loop on one end that allowed it to rotate around a joint on a wooden platform. It was veritcal, so the wire could swing from pointing straight up to straight down. The other end of the wire was bent so a small weight with a hole on it could fit over the wire and remain on as it swung down. At the bottom of of the platform, there was a peg that would stop the wire from swinging and the weight would go flying off. All of the above was on a table, and we had to predict where the weight would land on the floor and put a cup there to catch it. 1st try = 100, 2nd = 95, etc.

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