MCAS Physics Exam Practice

Category - Introductory Physics

A balloon is rubbed against a sweater. Which of the following occurs because of the rubbing?
  1. destruction of charged particles on the balloon
  2. release of charged particles from the air in the balloon
  3. movement of negatively charged particles from one material to the other
  4. movement of positively charged particles from one material to the other
Explanation
Answer: C - movement of negatively charged particles from one material to the other
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