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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 5 - NLM > A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be

A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be

A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 m/s. The tension in the string is?