Speed, Streamlining and Friction Flashcards
1
Q
What is the equation for speed?
A
Speed = Distance / Time
2
Q
What happens to the air resistance when using a car?
A
When the car moves faster, the bigger the air resistance becomes.
3
Q
What is the equation for acceleration?
A
Acceleration = Force / Mass
4
Q
What is a force?
A
A force is a push or a pull upon an object.
5
Q
What are the two types of forces?
A
Contact forces and Non-Contact forces
6
Q
What is a contact force?
A
Two object that are in contact with each other
7
Q
What is a non-contact force?
A
A force that acts over a distance
8
Q
How are forces drawn on diagrams?
A
They are represented by arrows.
