Q7 · 2021 · Paper 1Simple familiar1 mark
QUESTION 7
Normal force is the force acting along an imaginary line
(A)
parallel to the surface.
(B)
perpendicular to the surface.
(C)
opposite to the gravitational force.
(D)
in the same direction as the gravitational force.
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
The normal force acts perpendicular to the contact surface by definition. Option B.
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.