You are holding at rest a small sphere AA with electric charge +q+qand mass mm at...
You are holding at rest a small sphere AA with electric charge +q+qand mass mm at a distance dd from another small sphere BB with charge QQ fixed on top of an insulating support.
1) What is the largest magnitude of the force that your hand exerts on sphere AA? Suppose that QQ is positive.
2) What is the smallest magnitude of the force that your hand exerts on sphere AA? Suppose that QQ is positive and the weight of sphere AA is greater than the electrostatic force exerted on it for the case with given dd.
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