Answer:
If you apply a force to separate 2 opposite poles, the potential energy of the system increases.
Answer:
the heavier skater has less momentum
hope it is helpful to you
<span>b. objects.
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There was no net force on the stuffed toy, because the kids might have the same strength, The same force is on both sides of it. T<span>hey cancel each other out. They exert a force on the stuffed toy equal in strength but opposite in direction. The forces are balanced and the stuffed toy does not move. </span>Its like a game of tug-o-war, but you and I have the same strength. the rope would be still and not moving.
