ashleychan Active member
| Subject: Pulley numerical(ans isnt matchin the book) Sun May 17, 2009 5:40 pm | |
| The question is: a machine is drived by a 100kg mass fallin @ of 8m in 4s. it lifts a load of 500kgf. calculate power input of machine. (g=10m/s2) if efficiency is 75% to wat height is the load raised?? first answer is coming right - its 2000W but second one is not ccoming... it shud be 1.2 m |
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ashleychan Active member
| Subject: Re: Pulley numerical(ans isnt matchin the book) Tue May 19, 2009 9:25 pm | |
| Its ok it came... |
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