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15 terms

3rd Year Physics Chapter 11

Chapter 11 Vocabulary
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Instantaneous Speed
The rate at which an object moves at that point in time
Speed
The ratio of the distance of an object moves to the amount of time it takes it to move
Average Speed
The total distance traveled divided by the time it takes to travel that distance
Velocity
The speed and direction an object is moving measured relative to a reference point
Frame of Reference
A system of objects that are not moving with respect to one another
Relative Motion
Movement in a relation to a frame of reference
Displacement
A straight line from starting point to ending point
Resultant Vector
The sum of two or more vectors
Vector
The measure of displacement
Distance
The length of the path traveled
Acceleration
the rate the at which the velocity changes
Free Fall
The movement of object towards the earth because of gravity
Constant acceleration
a steady change in velocity
linear graph
a graph which the displayed data from straight line
nonlinear graph
a graph in which the displayed data is in a curved line