Forces can change shape
Forces can change shape
To change an object's shape, you need at least two forces acting in opposite directions. If only one force acts on a free object, it simply accelerates instead of stretching or compressing.
Step-by-step lessons on OCR GCSE Physics Forces in action. Each one builds up to exam-style questions. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.