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Which force explains why you stay on the Earth's surface gravitational force or electric force? Do...

  1. Which force explains why you stay on the Earth's surface gravitational force or electric force? Do a calculation with each to show which force is most likely responsible. Assume mass of earth is 6x10^24 kg and that radius of earth is 6400km. Also assume that at any given time a person would have a charge of 1nC (nanocoulomb) and the earth 1 millicoulomb (1mC)
  2. Why is the force of gravity between two light objects like yourself and your friend not too significant and can be ignored when doing calculations. Do a calculation to show why.
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