How should parents communicate with children? Correcting the child is best done right away, even if the parent is angry.
Use the word “but” to point out mistakes.
Only verbal language is important in communicating.
Get down to the child’s level to talk.

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there are no contact forces mentioned on the list of choices that you've provided.

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm