Speed Flashcards
1
Q
How do we measure speed
A
Distance divided by time
2
Q
What is streamlining and what can it cause
A
It is when air particles travel in straight horizontal lines, when they hit and object they start pushing against it creating air resistance
3
Q
What does a steady speed or a non moving vehicle mean
A
Balanced forces
4
Q
What happens to the air resistance in a fast moving car
A
There is more air resistance because there are more particles hitting the object in a shorter amount of time.