This is a The Russell traction apparatus problem and I solved the weight to be 76N. The second part of the problem asks what the angle is if the traction force is 19.4N horizontally.

My initial thought was to use half of the weight as the y-comp and 19.4 for as the x-comp to determine theta, but did not work.

What is this traction force and how do I use it to solve for the angle?

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  1. what's the equation for how to find the work input

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  2. Work? um W= d Fcos theta?

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  3. That equation can't be right.. W and d values are not given..

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  4. Lou Anne, see above.

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