The moment of a force is related to the force applied and the perpendicular distance from a pivot. Which situation cannot be explained using this relationship?
Using a long lever to lift a heavy rock.
Wearing wide snowshoes to prevent sinking into deep snow.
Pushing a door near its outer edge rather than near the hinge to open it easily.
Using a long-handled wrench to loosen a tight bolt.
43 exam-style questions on CIE IGCSE Physics 1.5.2a Moment of a force. Each one has a worked solution and a mark scheme showing where the marks go.