Answer:505.94 N
Explanation:
Given
mass of child (m)=41 kg
N=60 rpm
[tex]\omega =\frac{2\pi N}{60}=4\pi rad/s[/tex]
Radius(r)=1.25 m
and centripetal acceleration is given by [tex]m\omega ^2r[/tex]
[tex]F_c=41\times (4\pi )^2\times 1.25=505.94 N[/tex]