Re: Forces-Work
From: CWatters (colin.watters_at_pandoraBOX.be)
Date: 03/22/05
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Date: Tue, 22 Mar 2005 08:44:53 GMT
"JamesLan" <jlan1234@hotmail-dot-com.no-spam.invalid> wrote in message
news:423fca89$1_2@127.0.0.1...
> Hi everybody!
>
> Just wondering if you could help me out here:
>
> An object is attracted toward the origin with a force F_x = -k/x^2.
>
> 1. Calculate the work done by F_x when moving the object in the x
> direction from a to b. (I have already done this part by integrating
> F_x with respect to x and got the answer k*(1/b - 1/a))
>
> 2.The only other force acting on the object is a force that you exert
> with your hand to move the object slowly from a to b. How much work
> do you do? (This is the part i have no clue about)
If I'm not mistaken its the same.
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