Recent content by danbernoulli

I wonder if perhaps you are interpreting the solutions properly. I get something that looks like S =( m*g*sinΘ ) / ((1-r)/R) f = (m*g*sinΘ ) / (R/(r -1)) which is quite different from S =( m*g*sinΘ ) / (1-(r/R)) f = (m*g*sinΘ ) / ((R/r) -1)