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Physics
Physics
Problem
Four point charges
q
A
=
2
μ
C
q_A = 2 \mu\text{C}
q
A
=
2
μ
C
,
q
B
=
−
5
μ
C
q_B = -5 \mu\text{C}
q
B
=
−
5
μ
C
,
q
C
=
2
μ
C
q_C = 2 \mu\text{C}
q
C
=
2
μ
C
, and
q
D
=
−
5
μ
C
q_D = -5 \mu\text{C}
q
D
=
−
5
μ
C
are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of
1
μ
C
1 \mu\text{C}
1
μ
C
placed at the centre of the square?
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