II) Choose the correct answer:

1) Two particles, X and Y, are 4m apart. X has a charge of 2Q and Y has a charge of Q. The

force of X on Y:

A. has twice the magnitude of the force of Y on X

B. has half the magnitude of the force of Y on X

C. has four times the magnitude of the force of Y on X

D. has one-fourth the magnitude of the force of Y on X

E. has the same magnitude as the force of Y on X

E. has the same magnitude as the force of Y on X

Explanation:

We can answer this question by using Newton's third law of motion, which states that:

"When an object A exerts a force on an object B (action force), object B exerts an equal and opposite force on object A (reaction force) "

In this problem, we can identify:

- Particle X as object A

- Particle Y as object B

Therefore:

- The force exerted by particle X on particle Y is the action force

- The force exerted by particle Y on particle X is the reaction force

And so, according to Newton's third law, the two forces have same magnitude and opposite direction.