A Hospital patient has injured her leg, how much mass must be used to keep her leg stationary. The leg has a mass of 2.6 kg and is 0.87 meters in length, the rope for the tension mass is connected at 0.65 meters from the knee.
2 answers
You've posted 4 questions without any idea of YOUR thoughts. We can help you better if we know what your stumbling blocks are.
Interesting, I just answered some of these posted later under different names.