6- Definitions Flashcards
1
Q
streamlined
A
when an object is designed to keep drag to a minimum by giving it a curved shape so particles can flow around it
2
Q
drag
A
the friction force acting on an object moving through air or water
3
Q
terminal velocity
A
when drag and weight are equal and acting in opposite directions, and speed is constant
4
Q
speed
A
distance travelled in a certain time
5
Q
acceleration
A
the amount by which the speed increases in one second, speeding up.
6
Q
deceleration
A
the amount by which speed decreases in one second; slowing down
7
Q
unit
A
a standard for measurement
