Well, it depends on what online site you have. Email your mentor teacher, ( if you have one) or call them. if they do not answer then leave a voicemail
False allegations on the people behavior you can not judge people according to where the come from
He would have to push on it creating a torque that causes angular velocity of the merry go round to change.
D. unreliable because his point of view is irrelavant to what he is narrating
Could you rephrase you question to create a clearer understanding .