Question: [ 1 ] 8 . 2 1 M . 1 . SL . TZ 1 . 2 2 A child stands on a horizontal rotating

[1]
8.21M.1.SL.TZ1.22
A child stands on a horizontal rotating platform that is moving at constant angular speed. The centripetal force on the child is provided by
A. the gravitational force on the child.
the friction on the child's feet.
C. the tension in the child's muscles.
D. the normal reaction of the platform on the child.
[ 1 ] 8 . 2 1 M . 1 . SL . TZ 1 . 2 2 A child

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