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Which of the following statements comparing the gravitational force an electron exerts on a proton, $F_{Gep}$, with the gravitational force a proton exerts on an electron, $F_{Gpe}$, and the electric force an electron exerts on a proton, $F_{Eep}$, with the electric force a proton exerts on an electron, $F_{Epe}$, are true?

A

$F_{Epe}$ and $F_{Eep}$ are equal in magnitude and in the same direction.

B

$F_{Gpe} > F_{Gep}$ because a proton has a mass that is significantly greater than the mass of an electron.

C

$F_{Gpe}$ and $F_{Gep}$ are equal in magnitude and in the same direction because gravitational forces are always attractive forces.

D

$F_{Gpe}$ and $F_{Gep}$ are equal in magnitude and opposite in direction.

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