This is the craziest video!! This was on the NSTA website. Here is their summary of it-
This is an advertisement for a brand of truck, but it is also an excellent way to introduce relative motion. The two trucks, the rope, and the high-liner are all moving relative to the ground, but not moving relative to each other. To fully describe motion, it is essential clearly state your "frame of reference" so that others will know what "zero velocity" actually means.
Daily Question- What is relative motion? What is her velocity relative to the ground? Relative to the truck? Relative the the wire?
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