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The figure shows four electrical charges located at the corners of a rectangle. Like charges, you will recall, repel each other while opposite...

The figure shows four electrical charges located at the corners of a rectangle. Like charges, you will recall, repel each other while opposite charges attract. Charge B exerts a repulsive force (directly away from B) on charge A of 3.0 N. Charge C exerts an attractive force (directly toward C) on charge A of 6.0 N. Finally, charge D exerts an attractive force of 2.0 N on charge A.
a)Assuming that forces are vectors, what is the magnitude of the net force vec{F}_{rm net} exerted on charge A?
b)What is the direction of the net force vec{F}_{rm net} exerted on charge A?

A--141cm--B
| |
100cm |
| |
C---------D

This question was asked on Mar 17, 2010.

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