Physics
posted by Sam .
A ball is sitting in a child's wagon and a child is holding the wagon's handle. The ball then rolls to the back of the wagon without anyone touching the ball directly. Which of the following statements according to Newton's first law of motion could describe the motion of the wagon?
Statement A: The wagon is moving forward, and the child suddenly increases the speed of the wagon.
Statement B: The wagon is moving backward, and the child suddenly slows it down.
Statement C: The wagon is at rest.
only A
only B
only C
A and C only
A and B only

only a
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