Compute all parts of given problem:
Problem: In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 64kg skater goes around the turn at a constant 12m/s.
Part I: What is the horizontal force on the skater?
Part II: What is the ratio of this force to the skater's weight?
I need help to find the ratio of this force to the skater's weight.