Physics Section 1 Flashcards
1
Q
Kinematics
A
The study of motion without considering the forces that produce that motion
2
Q
Dynamics
A
The study of the causes of motion
3
Q
Scalar
A
A quantity that has magnitude (size) but no direction
4
Q
Vector
A
A quantity that has magnitude and direction
5
Q
Position
A
The straight-line distance and direction of an object from a reference point
6
Q
Displacement
A
The change in the position of an object
7
Q
Average speed
A
The total distance travelled divided by the total time to travel that distance
8
Q
Velocity
A
The change in position divided by the time interval
9
Q
Average velocity
A
The displacement divided by the time inetrval for that change; the slope of a secant line on a position-time graph
10
Q
Secant
A
A straight line connecting two separate points on curve
