Q 11-04-035NEETJEE MainEasy
A $60$ kg man stands on a weighing scale in a lift that is accelerating downward at $2\ \text{m/s}^2$. The scale reads ($g = 10\ \text{m/s}^2$)
Answer: (D) $480$ N
Taking downward as positive: $mg - N = ma$:
$$N = m(g - a) = 60 \times 8 = 480\ \text{N}$$
Solution by Sreeraj P, M.Sc Physics