A light spring balance hangs from the hook of the other light spring balance and a block of mass M kg hangs from the former one. Then the true statement about the scale reading is

A spring balance is attached to the roof of a lift. A man hanged his bag from the spring balance. The reading of the spring balance is 49N when the lift is not moving. When the lift will move downward with the acceleration 5m//s^2 , then the reading of the spring balance will be:

A block of mass 10 kg is suspended through two light spring balance as shown below:

As, block of mass 5 kg is attached to spring balance reading of spring balance will be

A box, when hung from a spring balance shows a reading of 50 kg. If the same box is hung from the same spring balance inside an evacuated chamber, the reading on the scale will be

A student took a spring balance calibrated in gf. He then suspended an object of mass 1 kg to the spring balance. Determine what would be the reading of the spring balance.