A person of mass 60 kg stands on a weighing machine in a lift which is moving a) upwards with a uniform retardation of 2.8 ms–2 b) downwards with a uniform retardation of 2.2 ms–2. Find the reading shown by the weighing machine in each case.
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A person of mass 60 kg stands on a weighing machine in a lift which is moving a) upwards with a uniform retardation of 2.8 ms–2 b) downwards with a uniform retardation of 2.2 ms–2. Find the reading shown by the weighing machine in each case.