Asked by lau

The leg and cast in the figure below weigh 280 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 105 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
Answered by drwls
Lacking "the figure below", we cannot help you. Problems like this can always be solved by setting the forces and net moments equal to zero.
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