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Mission NL1 Inertia and Newton's First Law - Question Group 6 Help

 The Question

A sled slides down a hill, reaches the level surface and eventually comes to a stop. The fact that the sled ultimately stops is ...

 Physics Rules
Newton's First Law of Motion:
An object at rest will tend to stay at rest; an object in motion will tend to stay in motion with the same speed and direction, unless acted upon by an unbalanced force.
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