Systems of Measurement Units Assignment This assignment is to get familiar or refresh your knowledge about systems of measurement units. Reading, watching the video then answering assignment questions.
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Total 3 pts.
Systems of Measurement Units Assignment Instructions
1 Reading the definitions of units at https://physics.nist.gov/cuu/Units/current.html can you guess which one is determined by a particular physical object? Explain reasoning for your guess.
(In case the nist.gov site is unavailable please use: https://www.mathsisfun.com/measure/index.html and read about metric and standard systems)
2 Then watch https://www.youtube.com/watch?v=ZMByI4s-D-Y find which unit out the seven base units is in fact determined by a single object in the universe? Did you make a good guess?
3 Discuss why in the video for the round object they picked a sphere and not some other shape, any practical reasons?
4 Watch https://www.youtube.com/watch?v=PXiyqWnixqo and then https://www.
youtube.com/watch?v=SsULOvIWSUo .Give examples from the videos for practical reasons to have an accurate measure of time over the centuries.