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word puzzle

TermDefinition
reference point the point to which other things are compared or referred.
motion the action or process of moving or being moved.
magnitude the great size or extent of something.
vector a quantity having direction as well as magnitude, esp. as determining the position of one point in space relative to another.
acceleration due to gravity If gravity is the only force acting on an object, then we find the object will accelerate at a rate of 9.8m/s2 down toward the center of the Earth
speed the rate at which someone or something is able to move or operate.
velocity the speed of something in a given direction.
acceleration increase in the rate or speed of something.
force strength or energy as an attribute of physical action or movement.
newton the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes.
inertia a tendency to do nothing or to remain unchanged.