mg*mu=m*w^2*r= m*(2pi/period)^2*R
mu= 4*R*PI^2/g*T^2
A kid places a toy on the outermost edge of a merry go round. The amusement park ride has a radius R and period T. What is the smallest value of us (static friction coefficient) between the toy and merry go round where the toy is able to stay on the ride?
1 answer