While an elevator descends with an acceleration of

PHYSICS · Single correct · CBSE · Physics · Exploring Forces · Exploring Forces

Problem

4\,\text{m}\,\text{s}^{-2}

, a

70\,\text{kg}

person stands on a weighing machine. Using

g = 9.8\,\text{m}\,\text{s}^{-2}

, what is the approximate reading of the machine? (a)

700\,\text{N}

(b)

420\,\text{N}

(c)

410\,\text{N}

(d)

280\,\text{N}