Q12 · Practice questionSimple familiar1 mark
QUESTION 12
A block is sliding down a rough inclined plane. Which force acts parallel to the plane and up the slope?
(A)
Weight
(B)
Normal force
(C)
Kinetic friction
(D)
The perpendicular component of weight
WORKED SOLUTION
1 markAnswer C
ANSWER
C
Worked solution
Kinetic friction opposes the relative sliding motion, so for a block sliding down the slope the friction force acts up the slope.
Select the correct option.
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus