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A body of mass 50 kg …

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A body of mass 50 kg is put on spring weighting machine in a lift.What is the reading of machine when the lift accents with a uniform velocity of 10 m/sec and deccents with a accleration of 5 m/sec*2 ( take g- 10m/sec*2)
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Anika Alam 7 years, 3 months ago

Reading of machine when the lift accents with a uniform velocity =m(g+a) =50(10+0)=50×10=500N. Reading of machine when the lift descents =m(g-a) =50(10-5)=50×5=250N
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