Question

A boy holding a spring balance in his hand suspends a weight of `1kg` from it The balance slips from his hands and falls down . What will be the reading of the balance while it is in air. ?

Answer 1

Correct Answer - `Zero`
On slipping the balance falls vertically
downwards with `a =g`
`:. R = m (g- a) = m (g -g)`
`zero` .