M1.6.1 - Moment of a force

Moment of a force.; Simple problems involving coplanar parallel forces acting on a body and conditions for equilibrium in such situations.

Use moment of a force to connect the rule to the data and decision in the question.

This matters because moment of a force determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply moment of a force to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: Moment of a force is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.