Question

Mass of a man is 80 kg.He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration 5m/s2.What would be the reading on the scale

Answer 1

Answer:

1200 N

if g=10m/s^2

then

f=ma

according to reading scale

F=R-mg

R-mg=ma

R=ma+mg

R=m(a+g)

R=80(5+10)

= 80×15

= 1200

Answer 2

Hear ma is pseudo force

Explanation:

Hope it will help you