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Newton's First Law
If an object is in motion, then the object will--most of the time--stay in motion. If an object is at rest, it will stay at rest.
The only exception this rule is if an unbalanced force is applied to the object. When two forces act upon an object and they are not equal, the forces are unbalanced. Unbalanced forces may make an object at rest move, or an object in motion change direction or speed.
If a car is running, then it will keep running until the driver applies the brakes. On the other hand, if a car is at rest, it will stay at rest until the accelerator is applied (the accelerator makes the car move).
Newton's Second Law
Basically, Newton’s second law states that force is equal to mass times acceleration (velocity divided by time)
When an object is in motion because of all forces acting on the object, which is the net force, the object will be the same as the speed (distance divided by time), and velocity (speed and direction) of the net force.
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