Name
PHYSICAL PROCESSES
PHOTOCOPIABLE
Air resistance
1. Twins Jack and Jill each weigh 70kg. They jump out of an aeroplane
at the same time, each with a parachute made of the same material.
Jack’s parachute is 25% bigger than Jill’s. Who will land on the
ground first and why?
will land first because
2. Draw arrows to show the
air resistance force on Jack
and Jill’s parachutes.
3. Why do you think aeroplanes have rounded noses? Explain your
answer.
4. Which skier will go faster?
Explain your answer.
5. Look at these two lorries. Which one will use less fuel? Why?
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