An object of mass 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 is taken, (take,)
Step 1. Given data:
Gravity,
Mass,
Acceleration,
Step 2. Find weight :
When the lift is going upwards
Force will be equal to the weight
Hence, (A) is the correct option.