Newton’s ____ Law:If the resultant ____ that is acting on an object is ____ and the object is stationary ( ____), then it will continue to be ____ . If the resultant force that is acting on an ____ is zero and the object is ____ , then it will ____ to move at the same speed and in the same direction (it’s ____ stays the ____ ) Examples: a runner at their top speed experiences the same ____ as their thrust, the forces are balanced so the runner continues to run at a ____ speed at the start of their run, a runner experiences ____ air resistance than their ____ , so they accelerate (their speed is ____) Newton’s Second ____ :The acceleration of an ____ is proportional to the ____ force that is acting on it and is inversely proportional to the ____ of the object. This is represented by the equation: Resultant force = mass x acceleration Force is measured in ____, N Mass is ____ in Kilograms, ____ Acceleration is measured in metres per second squared, m/s2

Newton's First & Second Law

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