question_answer

An object of mass 5 kg is attached to the hook of a spring balance and the balance is suspended vertically from the roof of a lift. The reading on the spring balance when the lift is going up with an acceleration of 0.25 \[m{{s}^{-2}}\]is \[(g=10\text{ }m{{s}^{-2}})\]

A)  51.25 N               

B)         48.75 N               

C)         52.75 N               

D)         47.25 N

E)  55 N