Answer:
A floppy disk
Explanation:
A floppy disk uses a thin sheet of magnetic material to store data. It would make the most sense as the other choices use an entirely different system.
Answer:
Amount of work that must be inputed to move the stone must be equal to the product of the weight of the stone and the distance through which you intend to move the stone.
This is mathematically expressed as.
Work W = Force(weight) x distance
The unit is in Joules, same as in energy.
