Physics Exam Vocab
Components
Two vectors projected on the axes of a coordinate system are call the ______ of the resultant vector.
Time interval
A change in time is a(n)_____.
Vector
A quantity that has both magnitude and direction is a(n) _____.
Vector quantity
A quantity that has magnitude and direction is a(n)_____.
Scalar quantity
A quantity that has only magnitude is a(n) _______.
Scalar quantity
A quantity that has only magnitude is a(n)______.
Resultant vector
A(n) ______ is the vector that is equal to the sum of two or more vectors.
Position vector
An arrow that is proportional to the distance an object is from the origin and points in the direction of the object is a(n)_____.
Displacement
Distance is the magnitude of a vector quantity called _______.
Direction
The _______ of a vector is defined as the angle that the vector makes with the x-axis, measured counterclockwise, in a rectangular coordinate system.
Average acceleration
The _________ is the ratio of the change in velocity to the time interval in which the change took place.
Origin
The center of a coordinate system is called the _____.
Displacement
The change in position of an object is its _______.
Distance
The length of the displacement vector represents the _____ between the two points.
Velocity
The magnitude of an object's _______ is it's speed.
Average speed
The magnitude of average-velocity vector is ________.
Origin
The point in a coordinate system at which the variables have the value of zero is the _____.
Average velocity
The ratio of the displacement to the time interval in which the displacement takes place is the ______.