A 700-N man stands on a scale on the floor of an elevator. The scale records the
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A 700-N man stands on a scale on the floor of an elevator. The scale records the force it exerts on whatever is on it. What is the scale reading if the elevator has an acceleration of
(a) 1.8 m/s2 up?
(b) 1.8 m/s2 down?
(c) 9.8 m/s2 down?
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