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How to calculate work done by force on an inclined plane.

by megatron99
Tags: force, inclined, plane, work
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megatron99
#1
Oct16-09, 08:14 PM
P: 5
1. The problem statement, all variables and given/known data

The problem is on http://img124.imageshack.us/img124/1518/problem15.jpg


2. Relevant equations

F2 x component = F2cos30

3. The attempt at a solution

I found the x component of F2 = 40 * cos 30 = 34.64 and then multiplied by 0.6 m to get 20.8 J. Is it right? any ideas ?
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