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Unformatted text preview: Question 1
According to Newton's First Law of Motion, an object stays in its state of rest or motion with constant velocity if the net force on it is zero. The moment the wagon is pulled the net force on the child is zero and she wants to stay in her origin state of motion (at rest). The wagon is pulled sharply forward and the child wants to stay at the original place, therefore it appears that the child falls backward. ...
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