An excellent example of Newton's first law of motion, often referred to as the law of inertia, can be observed when a soccer ball is sitting still on a flat field. The ball will remain at rest until a player kicks it, applying a force to change its state of motion. After the kick, the ball will continue to roll across the field until forces like friction from the grass, air resistance, or gravity (if it rolls uphill) act upon it to eventually slow it down and bring it to a stop. This illustrates how objects tend to maintain their current state of motion—whether at rest or in uniform motion—unless acted upon by an external force.
Newtons first laws of motion states that an objects motion remains the same unless a force acts upon it. What would be an example of this law in action?
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