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 4.2 . Charge C exerts an attractive force (directly toward C) on charge A of 8.4 . Finally, charge D exerts an attractive force of 2.8 on charge A.
To find the total force experienced by charge A, we need to consider the forces exerted on it by charges B, C, and D.
First, let's analyze the force between charge A and charge B. The force is repulsive, which means the charges are of the same sign. Let's denote the magnitude of the force as F_AB.
Given that F_AB = 4.2, we know that the force depends on the product of the charges (q_A * q_B) and the distance between them (r_AB). However, we need more information to calculate the individual charges or the distance.
Moving on to the force between charge A and charge C. The force is attractive, indicating opposite charges. Let's denote the magnitude of the force as F_AC.
Given that F_AC = 8.4, we again have the equation F_AC = (q_A * q_C) / r_AC. But once again, we don't know the exact values of the charges or the distance.
Now, let's consider the force between charge A and charge D. The force is also attractive, so let's denote it as F_AD.
Given that F_AD = 2.8, we once more have the equation F_AD = (q_A * q_D) / r_AD, where we need to find the specific charges and distance.
In order to find the total force experienced by charge A, we need more information about the charges and distances involved in each force calculation.