## kaminer test laws os motion

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rileyxoxo1  on May 13, 2010

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# kaminer test laws os motion

 Motiona change in position, measured by distance and time
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#### Definitions

Motion a change in position, measured by distance and time
Speed the distrance traveled by a moving object per unit of time
Average Speed the speed of moving object per unit of time
Velocity speed in a given direction
Acceleration The rate of change in velocity
Deceleration A term commonly used to mean a decrease in speed
Force any push or pull
Friction a force that opposes motion
Gravity the force of attraction between all objects in the universe
Weight the effect of gravity on an objects mass
Momentum the product of mass of an object and its velocity
1st law of motion An object at rest will remain at rest, and a moving object will remain at a constant velocity unless unbalanced forces act on it
2nd law of motion describes motion produced by unbalanced forces (Force= mass X acceleration)
3rd law For every action there is an equal and opposite reaction
Inertia the tendency of an object to resist changes in its state of motion
Newtons what force is measured in

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