Q1 · 2020 · Paper 1Simple familiar1 mark
QUESTION 1
Which of the diagrams correctly represents the forces acting on an object resting on an inclined plane?
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
For an object at rest on an incline, weight acts vertically downward, the normal force is perpendicular to the plane and static friction acts along the plane to oppose sliding. Only option B has these directions.
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.