Describing Motion Flashcards
1
Q
What does rate of change mean
A
the amount of change in the size of a quantity each second
2
Q
What does velocity mean
A
the speed of an object in a particular direction
3
Q
What does acceleration mean
A
the rate of change in speed (or velocity) is measured in metres per second squared
acceleration = change of velocity / time taken
4
Q
What does gradient mean
A
another word for steepness, calculated by rise / run
5
Q
What does displacement mean
A
quantity describing the distance from the start of the journey to the end in a straight line with a described direction. EG - 50km due north of the original position
