A body of mass 4 Kg weighs 4.8 kg when suspended in a moving lift, The acceleration of the lift is
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Mass x acceleration = weight..
put values that are given in the question..
M(a+g) =4.8g
Ma =4.8g-4g=0.8g
a =0.8/4g=0.2g=2m/s^2.
here g is acceleration due to gravity i.e. 10m/s^2
so the a = 2m/s^2..
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