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In comparing traditional low-speed chairlifts with high-speed chairlifts, assumptions have been made (efficiency) by the two chairlifts is...

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Physics

Incomparing traditional low-speed chairlifts with high-speedchairlifts, assumptions have been made (efficiency) by the twochairlifts is the same if they travel same distance.

a)Does high-speed chairlift experience more frictoon than low speedchairlift due to air resistance and friction?


b)Could you please explain why this assumption is false?

Thankyou so much!!

Answer & Explanation Solved by verified expert
3.7 Ratings (468 Votes)
I suppose the assumption is The efficiencies of lowspeedchairlifts and highspeed chairlifts are the same if they travelsame distancea The ball bearing friction decreases with increase in speedand the drag force on the    See Answer
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