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Newton (the unit)
The unit that measures the strength of a force (1 km in mass at 1 mile per second)
is a characteristic of a moving object that is related to the Mass and the Velocity of the objects
Law of conservation of momentum
in the absence of outside forces, the total momentum of the object that hit each other does not change
theory of plate tectonics
earth's land masses have changed position over time because they are part of plates that are moving slowly
Frame of reference point
A place or object used for comparison to determine if an object is in motion
Newton's 1st Law of Motion
Objects at rest will remain at rest unless acted upon by an outside force.Objects in motion will remain in motion at the same velocity unless acted upon by an outside force.
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