Upgrade to access all content for this subject
In which of the following cases is it acceptable to model the system as a point?
Select TWO answers.
A car slows to a stop as it rolls up a gentle hill.
A yo-yo loses altitude as the string from which it is suspended unwinds.
A hoop accelerates as it rolls down a hill without slipping.
A star-planet system is gravitationally attracted to a massive black hole at the center of its galaxy.