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Vector
a physical quantity that has both magnitude and
direction
Scalar
a physical quantity that has magnitude
only
Resultant vector
the single vector which has the same
effect as the original vectors acting together
Distance
length of path travelled
Displacement
change in position
Speed
the rate of change of distance
Velocity
the rate of change of position or the rate of
displacement or the rate of change of displacement
Acceleration
the rate of change of velocity
Position
A measurement of a location with reference to the origin
Reference point
The point from with the position of the object is measured
One dimensional motion
Motion that occurs either vertically or horizontally on a straight line
Instantaneous velocity
Velocity at a specific instant in time
Projectile
An object that moves freely under the influence of force due to gravity only.
Force
a Physical Quantity that can change the Shape or state of motion of an object
Normal force
The perpendicular force exerted on by a surface on an object in contact with it
Weight
Gravitational force the Earth exerts on any
object on or near its surface
