Which situation is not explained by the equation for the moment of a force, M=F×dM = F \times dM=F×d?
using long-handled pruning shears to cut tough branches
wearing snowshoes to walk on soft snow without sinking
pushing a heavy door near the outer edge far from its line of hinges
using a crowbar to lift a heavy stone with less effort
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.