In 1980, Jack has an age of 20. In 1985 however, he is only 15 years old.
How did he age backwards?
Answer
Jack lives in 1980 BC. Of course, back then, they were counting forward from a different starting point. :)
I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...
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