• Big Idea 13: Forces and Changes in Motion

    A. It takes energy to change the motion of objects.

    B. Energy change is understood in terms of forces--pushes or pulls.

    C. Some forces act through physical contact, while others act at a distance.


    Investigate and explain that when a force is applied to an object but it does not move, it is because another opposing force is being applied by something in the environment so that the forces are balanced.

    Cognitive Complexity/Depth of Knowledge Rating: High



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