Drag and friction Flashcards
-Know what is meant by friction -Know how the weight of an object affects the size of the force of friction. -Know what is meant by drag -Know how shape affects drag -Explain the effects of drag.
1
Q
What is drag?
A
Drag is a force of friction that is is caused when there is resistance between a fluid or gas the surrounds it.
2
Q
What is friction?
A
Friction is a force that resists the sliding of one object over another
3
Q
What does ‘streamlined’ mean?
A
Streamlined means an object that has been made to have very little resistance to the flow of a gas or fluid that surrounds it.
4
Q
Describe what a streamlined object looks like.
A
Streamlined objects have a tear drop shape.
