Today, for the second half of class, we discussed simple harmonic motion. This is produced by a linear restoring force. The restoring force is equal to the negative slope times the displacement or stretch. the velocity is never constant during simple harmonic motion and the velocity equals zero at the maximum displacement.
Then, we saw a weight hanging from a string move like a pendulum. We observed it moving back and forth and then in a circular direction. We timed the period of each. we then divided up into groups and found the length for one and the gravitational force for the other.
Tonight's homework is to finish 4H if you havent already or to work on the class lab. It was also recommended to read chapter 4. Mary Elizabeth can pick tomorrow's scribe.
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