Asked by Shavonda
The ratio of pedal turns to rear-wheel turns in first gear is 7 to 11. How many times in first gear dose the rear-wheel turn if pedals turn 140 times
Answers
Answered by
Steve
140/x = 7/11
Answered by
Tina
Suppose a rider travelled 6.4 km in 24 minutes using a gear ratio of 1.5. What would be the circumference of the rear wheel in mm?
6.4 km in 24 minutes = ______ mm in 1 minute
This is the same as _________ mm in 1 minute
This is the same as ________ mm in 1 second
If the gear ratio was 1, the bike would travel that many mm in 1 pedal (assuming 1 pedal per second). Since the gear ratio is 1.6, you will need to DEVIDE by 1.6 to find how far it actually travelled with 1 pedal. This will tell you the circumference of the wheel!
6.4 km in 24 minutes = ______ mm in 1 minute
This is the same as _________ mm in 1 minute
This is the same as ________ mm in 1 second
If the gear ratio was 1, the bike would travel that many mm in 1 pedal (assuming 1 pedal per second). Since the gear ratio is 1.6, you will need to DEVIDE by 1.6 to find how far it actually travelled with 1 pedal. This will tell you the circumference of the wheel!
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