For these type of questions, it is important to identify which tyre/wheel is connected/powered by the engine or the person.
On each tyre or wheel, there are actually two types of frictional force.
Frictional force on wheel
Frictional force on road/ground
You can view the explanation plus the 4 examples from Olevel p1 in the video below.
Examples used in the video.
2007PP P1Q5 Answer: Option D
2004PP P1Q5Answer: Option D
2020PPp1q6 Answer: Option B
2021PP P1Q7 Answer: Option C
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