Coefficient of friction =
Click on the picture where we see the detail of the INTERACTION between the tyre and the. road surface.
How could we increase this interaction?
Ideally, what are we looking for here?
Interaction between skis and the snow
Interaction between football boots and the playing surface
Interaction between Ice skates and the ice
Interaction between rock climbing shoes and the rock face
High
Low
Categorise what form of drag is being minimised:
A swimmer staying under the water
A swimmer kicking legs to keep them high
A skier wearing a skin suit
A cyclist adopting a low profile position
A cyclist shaving their legs
A swimmer outstretching their hands to form a long streamlined body position
A swimmer wearing a swim cap
A bike frame made with oval tubing
A speed skier wearing a teardrop shaped helmet
Surface drag
Form drag
Wave drag
Dave would hate this question, you have to drag and drop!
