You performed 0 work for the fact that work means the distance of movement made on an object not the amount of force it is exposed to. 0 work because it didn't move
The Newton’s law that explains why the hands get red when you press them hard against a wall is Newton’s third law. When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite direction on the first body.
There is approximately 2.54 cm that equals to 1 inch. So your closet answer would be the first choice. :)
A or possibly C because the other options have nothing to do with the size of the vibration. If i was you I would answer with A
