Solve the all parts of given question:
Question: In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69kg skater goes around the turn at a constant 12m/s.
Part A: What is the horizontal force on the skater?
Part B: What is the ratio of this force to the skater's weight?
I need help to determine the ratio of this force to the skater's weight.