Question

You are on a merry go round with radius 6.1 m. What is the centripetal force on you if your velocity is 2.7 m/s and you weigh 7.5 kilograms?

Answer 1

$$F_c=\frac{mv^2}{r}$$

$$F_c=\frac{7.5*2.7^2}{6.1}=9.0\:\rm N$$