Question

Select the correct answer.
Lucas rubs a plastic ruler on his sweater. He waves the ruler above a pile of shredded paper and notices that the pieces of paper get attracted to the ruler. Which attractive force is responsible for this?
A.
tension force
B.
normal force
C.
magnetic force
D.
electric force
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Answer 1

Answer:

D electric force is your answer

Hope it helps you

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Answer 2

Electric force is responsible for given statement.

Option: D

Explanation:

• Electric force are due to the movement of electrons that is due to its gain and loss. This phenomenon is based on static electricity.  

• When the glass ruler is rubbed over the woolen sweater, the wool gets positively charged and the ruler gains electron to form negative charge.  

• Now if this charged is not earthed, the negative charged ruler attracts the uncharged bits of paper, as a result of which the paper gets attached to the ruler.

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