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
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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Step 1: Know the concept:
Coulomb's law:
According to Coulomb's law, the magnitude of the electric force exerted by the charge on charge is given by the equation,
where is the magnitude of the electric force, is the distance between the charges, and 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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