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    Can anyone help? Attachment 694244
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    What grade question is this? Is it a GCSE or A-Level question?
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    (Original post by AlphaZenix)
    What grade question is this? Is it a GCSE or A-Level question?
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    I don't know but I'm guessing it's to do with a greater amount of resistance when peddling so it's easier to pedal, or it could be since the radius of the front sprocket is greater than of the smaller one it allows greater movement when peddling which improves efficiency...
 
 
 
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Updated: October 5, 2017
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Favourite type of bread

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

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