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Physics unit 2 vocab

Vocab words for Dr. Thornes class

TermDefinition
Force a push or pull that acts on an object measured in newtons (N)
Motion movement
Weight the force of gravity acting on an object
Net force the overall force acting on an object after all the forces combined
Vector a numerical value in a specific direction, describes a specific amount of force (magnitude) and it's direction
Mass the amount of matter in an object
Inertia the tendecy of an object to resist a change in it's motion. (objects in motion want to stay in motion, objects at rest want to stay at rest)
Acceleration a measurement of how quickly an object is changing speed and direction (velocity) per unit of time
Velocity the speed and direction an object is moving in
Newton's first law of motion An object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity, unless acted upon by an unbalanced force
Momentum a characteristic of a moving object that is related to the mass and velocity of the object. Known as the quanitity of motion of an object. P=ma, measured in kgm/s
Newton's second law of motion F=ma
Newton's third law of motion For every action there is an equal and opposite reaction.
Action-Reaction forces Pairs of forces of equal magnitude an opposite direction
Thrust The mechanical device that pushes a rocket or aircraft through the air
Friction a force that opposes the motion of objects that touch as they move past each other
Created by: Abby_L
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