Chapter 2 Flashcards
What is displacement?
Displacement (s) is distance in a given direction
What is velocity?
Velocity (v or u) is the rate of change of displacement with respect to time
What is acceleration?
Acceleration (a) is the rate of change of velocity with respect to time
What is speed?
Speed (v) is distance travelled per unit time
What is distance?
The Distance (s) between two points is a measure of how far one point is from the other.
What is a physical quantity?
A physical quantity is one that can be measured, or calculated, and expressed in numbers.
What is a scalar quantity?
A scalar quantity is one with magnitude only. It has no directional component.
What is a vector quantity?
A vector quantity is one with both magnitude and direction