Question

Calculating maximum load capacity

Asked by: Unimatrix_001

Hi,

An engine has a capacity of 73.5KW, and it needs to lift a basket 100 meters in 60 seconds, how can I calculate how heavy the load can be?

Thanks,
Uni

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Asked On
2008-12-22 at 01:33:00ID24002660
Topic

Math & Science

Participating Experts
1
Points
500
Comments
2

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Answers

 

by: deightonPosted on 2008-12-22 at 02:09:16ID: 23225518

it's a potential energy problem, you need to supply mgh worth of potential energy in 60 seconds

with mass to be found m, height h = 100m and g = 9.81 ms^-2


work done in 60 seconds = mgh = 9.81 * 100m=981m

so you need to do 981m joules of work in 60 seconds

power = 981m/60 = 73 500 W

m = 73500 * 60/981=4495Kg

 

by: Unimatrix_001Posted on 2008-12-22 at 05:09:14ID: 31528149

Thank you. :)

20120131-EE-VQP-002

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