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When a glass rod is rubbed with silk, it becomes negative−yet both attract dust. Does the dust have a third type of charge that is attracted to both positive and negative? Explain.

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Tauseef Shaikh
Tauseef ShaikhLv10
2 Nov 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Consider 4 lightweight metal-coated balls suspended on nonconducting threads. Suppose ball A is stroked with a plastic rod that has been rubbed with fur. When you observe interactions between pairs of balls one at a time you find that:

1. B, C, and D are each attracted to A.
2. B and D seem to have no effect on each other.
3. B is attracted to C.

Use the concept of induction to figure out what type of net charge is on each of the balls: Negative charge? Positive charge?No charge at all? Explain your reasoning.

After an initially neutral glass rod is rubbed with an initially neutral silk scarf, the rod a charge of . Estimate the fractional increase or decrease in the scarfs mass. (Assume the scarf had a mass of 100 g.) ΔΜ/M  would this change in mass be easily noticed? (Assume that this change is noticeable if it is more than 1 mg.)

Yes

No 

which one of the following statements best explains why tiny bitsof paper are attracted to a charged rubber rod?
a) paper is naturally a positive material
b) paper is naturally a negative material
c) the paper becomes polarized by induction
d) rubber and paper always attract each other.
e) the paper acquires a net positive charge by induction

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