Mind Boggling Weighting Scale Puzzle with Answer

This is very interesting puzzle. Look at this picture and tell how much the scale will read? Will it be zero, 100N or 200N?

How Much does this scale will show, 100N, 200N or Zero?

Answer can be viewed by clicking on button. Please do give your best try before looking at the answer.

The Answer is 200N as the force is applied from both the ends.

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