Part A – What is the magnitude of the electric force on charge A in the…
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Question “Part A – What is the magnitude of the electric force on charge A in the…”
Part A –
What is the magnitude of the electric force on charge A in the
figure?
F=______N
Part B
What is the direction of the electric force on charge A in the
figure? Choose best answer.
(a)to the left
(b)to the right
(c)the force is zero
Answer
A diagram and Coulomb’s law of electrostatics are the concepts that were used to answer the question.
First, draw the diagram showing the two point charges. Next, use Coulomb’s law for electrostatics to determine the magnitude of two charges at each required point.
“Coulomb’s law says that the force between two point charges is proportional to their respective magnitudes and ininverse proportion to the distance between them.
It is mathematically defined as:
refers to the Coulomb constant HTML2$, HTML2$ and tag_3$ respectively.
represents the distance between the two charges.
(A)
Below is the diagram of the three-point charges.
The charge at point B creates the electric force at point A.
represent the two points charges, and
represents the distance between the charges.
Substitute
to
;
to
;
to
;
to
;
to
The charge at point C creates the electric force at point A.
represent the two points charges, and #media_tag_20$ represents the distance between the charges.
Substitute
to
;
to
;
to
;
to
;
if
;
if
The net force that is acting on the charge at point B is
Substitute HTMLmedia_tag_31$ to HTMLmedia_tag_32$ or HTMLmedia_tag_33$ to
(B)
is the net electric force that acts at charge A.
Accordingly, A is the charge for which the force acts.
Ans Part A
The magnitude the net electric force acting upon the charge at point A in
is.
Conclusion
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