Three charged particles are fixed on an x axis as shown in the figure.  The net force on particle A due to the other two charges has a magnitude of 20.0 N in the - x direction.  If particles A and C are both positive charges and the force on particle A due to C is 10.0 N, the force of A due to B (magnitude and direction) and the sign on charge B are: A.  10 N in the - x direction, Charge on B is positive   B.  None of the options is correct.   C.  30 N in the - x direction, Charge on B is negative   D.  30 N in the - x direction, Charge on B is positive   E.  30 N in the + x direction, Charge on B is negative   F.  10 N in the - x direction, Charge on B is negative

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Electric Fields
Section: Chapter Questions
Problem 36AP: Two point charges qA = 12.0 C and qB = 45.0 C and a third particle with unknown charge qC are...
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Three charged particles are fixed on an x axis as shown in the figure.  The net force on particle A due to the other two charges has a magnitude of 20.0 N in the - x direction.  If particles A and C are both positive charges and the force on particle A due to C is 10.0 N, the force of A due to B (magnitude and direction) and the sign on charge B are:

A. 

10 N in the - x direction, Charge on B is positive

 
B. 

None of the options is correct.

 
C. 

30 N in the - x direction, Charge on B is negative

 
D. 

30 N in the - x direction, Charge on B is positive

 
E. 

30 N in the + x direction, Charge on B is negative

 
F. 

10 N in the - x direction, Charge on B is negative

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