Answer:
I think the correct answer is period
<span>a. equal to zero.
</span>because the forces are balance (equal magnitudes, opposite directions)
If you, for example, poured it onto a wide cup with a volume equal to the total volume of the sand particles, the sand would not spread out to fill the container but would bunch up together in the middle.
The current will decrease as the resistance has now increased, meaning less current will be 'let through' the resistor. (assuming it's in series, there's no image)
Answer:
I think the answer must be A.