Question

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 forceB) normal forceC) magnetic forceD) electric force

Answer 1

the force responsible is electric or electrostatic force. please leave a thanks

Answer 2

Option (D)

Step-by-step explanation:

It is due to the electric force or electrostatic force between the plastic ruler and the paper bits.

As we rub the plastic ruler to our hair, the ruler becomes negatively charged. Now due to the process of induction, the paper bits becomes positively charged and then there is an attractive force between ruler and paper and then paper attracts with the ruler.