Consider the setup shown in the figure. -Q F --/ ---- Z >> S -9 +q F----1 Determine the force exerted by -Q on the dipole. Choose the correct expression for the force. + sign is along the positive x-direction. 1. + k 2. + k 3. + k 4. - k 5. + k 2qs Q 23 2 qs Q 22 q8Q 22 2 qs Q 22 q8Q 23

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Consider the setup shown in the figure.
-Q
Z >> S
-q +q
+
1
Determine the force exerted by -Q on the
dipole. Choose the correct expression for the
force. + sign is along the positive x-direction.
1. + k
2. + k
3. + k
4. - k
× 6. - k
2 qs Q
23
2 qs Q
22
8. - k
qs Q
22
5. + k 9sQ
23
2 qs Q
22
2 qs Q
23
7. - k 98 Q
23
qs Q
22
Transcribed Image Text:Consider the setup shown in the figure. -Q Z >> S -q +q + 1 Determine the force exerted by -Q on the dipole. Choose the correct expression for the force. + sign is along the positive x-direction. 1. + k 2. + k 3. + k 4. - k × 6. - k 2 qs Q 23 2 qs Q 22 8. - k qs Q 22 5. + k 9sQ 23 2 qs Q 22 2 qs Q 23 7. - k 98 Q 23 qs Q 22
Expert Solution
Step 1: Know the concept:

Coulomb's law:

According to Coulomb's law, the magnitude of the electric force exerted by the charge q subscript 1 on charge q subscript 2 is given by the equation,

F subscript E equals k open vertical bar fraction numerator q subscript 1 q subscript 2 over denominator r squared end fraction close vertical bar          

where F subscript E is the magnitude of the electric force, r is the distance between the charges, and k is the Coulomb's constant.


The direction of this force is along the line joining the charges. The force is attractive if both charges have the opposite sign. The force is repulsive if both charges have the same sign.

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