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Newton's First Law: The Law of Inertia An object at rest remains at rest as long as no net force acts on it
The soccer ball is not moving because I have not kicked it, and nothing else is making it move.
On an imaginary planet with no gravity...
Newton's First Law An object with a constant velocity continues to move with the same speed and in the same direction as long as no net force acts on it.
Now that I kicked the ball, it will continue to move in the same direction because nothing else will make it stop.
Newton's Second Law: The Law of Acceleration The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. The direction of acceleration is in the direction of the net force.
Force = mass times acceleration
The knight's huge horse takes more force for me to push than the knight because the mass of the horse is much greater.
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