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(Solved): 2. A boy is seated at the top of a block of ice in the shape of a hemisphere. Model the boy as a pa ...
2. A boy is seated at the top of a block of ice in the shape of a hemisphere. Model the boy as a particle and the ice as frictionless. As the boy slides down the side of the hemisphere, determine the height at which he loses contact with the ice. Express as a function of \( R \).
Expert Answer
The FBD of the boy is shown in figure. ? mg mgcos?? mgsin?? Fn mgsin?? mgcos?? Fn ? mg R ? h Rcos?? O A The height his h=Rcos??