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3. Sochi: Physics of Speed

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GLOSSARY:
geared: prepared or ready to do something
lubricates: makes a surface slippery so things can move on it easily
resistance: (here) force that slows something that is moving
experience: (here) be affected by
limit: final or absolute number or amount

COMPREHENSION QUESTIONS:
1. What does friction make, that melts the ice?
a) heat b) snow c) speed d) air
2. True or false? Heavier objects can go faster as they go downhill.
3. How strong is the force that bobsledders experience?
a) 3G b) 4G c) 5G d) 9G
4. Other than bobsledders, who faces a 5G force?
*ANSWERS ON THE NEXT SOCHI VIDEO 4 PAGE

ANSWERS FROM VIDEO 2:
1. Where was the oldest ski found?
b) Russia
2. True or false? Cross country skis are good for high speed skiing.
ANSWER: False. Downhill skis are fairly straight offering more control at higher speeds.
3. Which type of skis are straight and offer more control at higher speeds?
ANSWER: Downhill skis
Extended question:
4. What kind of ski racing involves sharp turns?
ANSWER: A slalom race.
Category
English
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