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    Elevator acceleration formula

    Homework Statement the question given is: What would the reading on a bathroom scale be if a 60kg pupil was accelerated upwards at a rate of 3m.s-2 Homework Equations F=m(g-a) F=ma The Attempt at a Solution F=m(g-a) F=60kg(10m.s-2-3m.s-2) F=600-180 F=420N which is...