A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s2. What would be the reading on the scale? a) Zero b) 400N c) 800N d) 1200N
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A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s2. What would be the reading on the scale?
a) Zero
b) 400N
c) 800N
d) 1200N
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