Motion is the state of an object's movement or rest, changed by external forces. For example, a ball rolls when pushed.
View Lesson on Newton’s Laws of Motion
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Learning about how things move helps us understand everyday life and why some jobs depend on this knowledge. Jobs like engineering need a grasp of how things move and work together to make things we use every day.
This isn’t just school stuff; it has real uses that keep us safe and make our lives easier. For example, engineers who work on making cars safer use the rules of motion to design features that protect us in a crash. These include parts of the car that squish to absorb shock and systems that warn us before we hit something. This helps them figure out how to reduce the impact of a crash and save people’s lives.
In this lesson, we learn that:
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