| Author |
Topic:
Math question [Locked] |
Sezyrrith  Posts: 257
Registered: 2003-7-13 05:04:05
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
Friarspam posted:
Walker_ID posted:
eodoll posted:
Are you referring to leverage? The bucket weighs the same no matter where you put it or what you use to lift it.
it weighs the same yes...but i think hes talking about work/power used to move the bucket which "feels" different in weight as you move it
Exactly, how much would it "feel" like was being lifted.
Unless I'm misunderstanding the nature of the question, F=MD, or force = mass * distance. We'd have to know the distance from the water to the surface to have an accurate answer.
That's assuming that the weight of the rope is negligible, otherwise you'd have to use integration to find the rope's contribution to the lifting force.
[Edit:]And assuming he's manually lifting it, not using a winch (which almost every well I've seen has).
[Edit2:]20 foot drop, see it now in the OP. 40lb bucket - that's a big bucket. 5 gallons weighs 40 lbs, so it's at least 4 gallons contained in a heavy bucket. You sure that's what it weighed?
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ZartanAround  Title: Torpid Curmudgeon
Posts: 768
Registered: 2004-2-6 20:54:09
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
it sounds to me like you are more interested in how much WORK was done, but i doubt that you'd understand that either.
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Friarspam Posts: 638
Registered: 2007-1-23 07:01:27
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
Sloshing water?? Call it a cocrete block then I'm just curious what the weight would seem like it weighed over that distance in general terms.
/sorry for not asking clearly enough before.
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eodoll  Posts: 1,028
Registered: 2002-2-14 12:35:42
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
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If its just a rope attached to an object and no pulley then its still 40lbs. If you have pulleys to manage the force anddistribute tension then it can if configured properly feel very light.
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Sezyrrith Posts: 257
Registered: 2003-7-13 05:04:05
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
ZartanAround posted:
it sounds to me like you are more interested in how much WORK was done, but i doubt that you'd understand that either.
Yeah, I think he's looking for work done in ft-lbs.
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Walker_ID Posts: 673
Registered: 2002-5-29 10:20:09
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
ZartanAround posted:
40lbs is 40lbs. it doesn't matter if it's dangling from a well or a 1000story sky skyscraper.
we've already established he was talking about work and not strictly weight
and your statement isn't true in any case....weight changes based on the distance between the center of the objects in question....the further apart they are the less they weigh...the change in weight might be minuscule but there is a change
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Walker_ID Posts: 673
Registered: 2002-5-29 10:20:09
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
Friarspam posted:
Sloshing water?? Call it a cocrete block then I'm just curious what the weight would seem like it weighed over that distance in general terms.
/sorry for not asking clearly enough before.
concrete blocks sway back and forth as you raise them just like water 
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ZartanAround Title: Torpid Curmudgeon
Posts: 768
Registered: 2004-2-6 20:54:09
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
yes i agree, he is differentiating between how much something weighs and how
much it "feels" like it weighs.... minuscule.
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what are nice chickens like you doing in a coop like this?
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Koneg Title: Evil Genius
Posts: 894
Registered: 2001-12-4 15:31:28
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
ZartanAround posted:
40lbs is 40lbs. it doesn't matter if it's dangling from a well or a 1000story sky skyscraper.
This.
Why the fark is this even a question?
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eodoll Posts: 1,028
Registered: 2002-2-14 12:35:42
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Date Posted:
1/1/00 12:00am
Subject:
Math question |
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Well if you have a 40lb object on one end, then what weight object woukd you need on the other to balance the weight? Thats prob what hes asking.
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