AP® Physics 1 & 2

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Four Electrostatic Charges

APPH12-NKWXWW

What are the directions of the electrostatic force acting on the four charges in the image? The charges are arranged in a square as shown.

The magnitude of the charges is equal.

A

Charge #1:   $\searrow $
Charge #2:   $\swarrow$
Charge #3:   $\nearrow$
Charge #4:   $\nwarrow$

B

Charge #1:   $\nwarrow$
Charge #2:   $\nearrow$
Charge #3:   $\swarrow$
Charge #4:   $\searrow$

C

Charge #1:   $\leftarrow $
Charge #2:   $\rightarrow$
Charge #3:   $\leftarrow$
Charge #4:   $\rightarrow$

D

Charge #1:   $\rightarrow $
Charge #2:   $\leftarrow$
Charge #3:   $\rightarrow$
Charge #4:   $\leftarrow$