Weight of a man — 80kg.
Uniform Acceleration of lift –5 M/S2
When the lift is moving upwards, the reading of the weighing scale will be equal to R.
Reading of weighing scale = m(g+a)
R = Mg + M(g + a)
R = m(g + a)
R = 80 (10 + 5)
R = 80 × 15
R = 1200 N
Explore more such questions and answers at BYJU’S.