1.3.14 - Conservation of linear momentum

Know the principle of conservation of linear momentum, understand how to relate this to Newton’s laws of motion and understand how to apply this to problems in one dimension.

Use - conservation of linear momentum to connect the rule to the data and decision in the question.

This matters because - conservation of linear momentum determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - conservation of linear momentum to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Conservation of linear momentum is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.