| Topic: |
Science > Physics |
| User: |
"JamesLan" |
| Date: |
22 Mar 2005 01:34:33 AM |
| Object: |
Forces-Work |
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)
Thanks in advanced for the help
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| User: "CWatters" |
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| Title: Re: Forces-Work |
22 Mar 2005 02:44:53 AM |
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"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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| User: "JamesLan" |
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| Title: re:Forces-Work |
22 Mar 2005 05:34:10 AM |
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I was thinking that. Though wouldnt it be in the opposite direction?
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