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A man weighing 80 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s. What

A man weighing 80 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s. What would be the reading on the scale ? (g = 10 m/s) (a) 1200 N (c) 400 N (b) zero (d) 800 N

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