Recent content by julienl07

I'm the guy who gave the other solution. It had later occurred to me about using moments. I realize that it would have been easier to do a force triangle at joint B. Unfortunately, I can't quite follow your photographed page I think that it's still method of joints so long as you use joint...

Thanks for the replies. Although I didn't mention it, I know that work is done by the cord. The cord pulls towards the axis while the object moves away from the axis, thus the work is negative. But again, this is internal work. By definition, if no external work has been done, then the...

Hello. This has been bothering me. A point mass is on a rotating flywheel that has a constant initial angular velocity, ω0. The object (point mass), initially at some distance r0 from the axis of rotation, now moves out to a further distance rf, and then stops. Say the wheel has a moment of...