I believe it's D. The centripetal force moves away from the center, but the marble stays there due to the string.
Hey there!
Your correct answer would be (<span>
Every mass exerts a gravitational force on every other mass.) It really doesn't matter the size in mass what so ever, gravity is stronger than mass, mass in nothing compared to mass. Therefor, gravity exert's mass on any object with any size of mass.
Your correct answer would be
. . .
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Hope this helps.
~Jurgen</span>
Answer: Voltage
Voltage
is the measure of force or potential energy that required moving a unit charge
from one location to another through a conductor. This potential energy is
stored in the form of an electric charge imbalance and capable of provoking
electrons to flow in material through which charges can easily flow.