Question

a spring balance is attached to the ceiling of of a lift. when the lift is at rest spring balance reads 50 kg of a body hanging on it. what will be the reading of the reading of the balance if the lift moves vertically downwards with an acceleration of 5 m per sec square.​

Answer 1

Explanation:

let at rest it's wait is 50kg

then 500-tequal to ma

when lift go down

then mg-t is equal to ma