Cycling

This task is about cycling and air resistance.
This diagram shows where the air goes when a cyclist is riding.

Question

a) i)  Aroha and Sarah are both cycling to school. Aroha is in front.
         Which cyclist has to use more energy? (Choose one)

    • Sarah

    • Aroha

ii) Explain why.

Question 1Change answer

b)  Bike racers' clothing can improve their performance by helping them to save energy. 
i)  Name a feature of bike racers' clothing that does this. 
ii) How does the feature you have named help save the riders' energy?