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C. Very Short Answer Type Questions1. What causes a rolling ball to stop?2. What causes friction?​

Answer»

ANSWER:

  1. When you roll a ball on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground. A rolling ball stops because the surface on which it ROLLS RESISTS its motion.
  2. Fraction is a force that resists the relative motion between two objects or materials. the cause of the resistive force of fraction are: Molecular ADHESION . surface roughness


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