Wednesday Homework Problem 2.5 is possible for a charged object to exert an elec

Question

Wednesday Homework Problem 2.5 is possible for a charged object to exert an electric force on an uncharged tissue paper? Select the answer with the best explanation. Select One of the Followi (a) Yes, by inducing an electrical polarization in the tissue: the tissue is then attracted to the charged object, (b) Yes, by inducing an electrical polarization in the tissue: the tissue is then repelled by the charged object (c) No, because uncharged objects do not feel electrical forces. (d) No, because tissue paper is an insulator rather than a conductor. Wednesday Homework Problem 2.6 An uncharged can is brought near a negatively charged insulating tub Does the tube exert a net the neutral can? If so, what is the direction of the force on the can? Select One of the Following (a) The force on the can is directed away from the tube. (b) The force on the can is directed towards the tube. (c) The net force on the can is zero. Wednesday Homework Problem 2.7 when an object is grounded, its net charge is reduced to approximately zero. Is this consistent with the Law of Conservation of Charge, if so how? Select One of the Following

Explanation / Answer

2.5)

a) Yes, by inducing an electrical polarization in the tissue. The tissue is then attracted to the charged object.

2.6)

b) The force on the can is directed towards the tube.

2.7)

c) it is consistent with the conservation of charge, charge is not destroyed but it is transferred to another object.

2.8)

c) approximately zero.

2.9)

b) negative

2.10)

d) place an insulating handle on a flat metal plate.

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