Distinguish mass from weight in physical explanations.

In the subtopic Gravity and weight, this learning objective focuses on distinguish mass from weight in physical explanations. For AQA GCSE Physics 8463 Unit 4.5 Forces, keep the explanation inside Gravity and weight and Forces and their interactions. Approved keywords for this objective include weight and mass. A strong answer separates mass and weight, uses correct units where quantities are involved, and links the physical reasoning back to distinguish mass from weight in physical explanations. This is not a generic revision point: it is specifically about Gravity and weight, Forces and their interactions, and the approved wording of the learning objective.