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G11 Physics - Defini

G11 Physics

TermDefinition
Vectors Quantity with a direction
Scaler Quantity with no direction
Scaller distance Total distance travellled
Vector displacement Change in position
Displacement vs time graph A map of an object's position at different times
Velocity Rate of change of position
Acceleration Rate of change of velocity
Tangent line The slope of a tangent line is the instataneous velocity
Polar (geometric form) magnitude[direction]
Components (algebraic form) [x,y]
VRel The velocity of the object relative to it's frame of reference.
VFr The velocity of the frame of reference relative to the ground.
VG The actual (ground) velocity of the object.
Force A push or a pull
1 Newton The amount of force required to give a 1kg object an acceleration of 1mls^2.
FNet What is left over after we add up all of the forces "the unbalanced force"
FG The force of gravity near the earth's surface
Weight (in physics) Force of gravity on a object
Mass (in physics) The amount of matter an object has.
Freebody diagram A map of all of the forces acting on an object.
Newtons first law An object at rest will stay at rest unless acted upon by an unbalanced force. An object in motion will remain in motion at a constant velocity unless acted upon by an unbalanced force.
Newton's second law FNet = ma
Newton's third law For every action force, there is a reaction force equal in magnitude and opposite in direction. The forces apply to different objects.
Force of the normal The force from a surface.
Created by: kalijade
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