G3 Pure Physics / O‑Level Physics: Turning Effects of Forces structured questions
Structured and data-based Paper 2 practice for forces: free body diagrams, Newton’s laws, friction, moments, and stability.
Learning objectives
- Describe a moment as a force's turning effect in everyday examples
- Apply moment = force × perpendicular distance from the pivot
- State the principle of moments for a body in equilibrium
- apply the principle of moments to new situations or to solve related problems
- show an understanding that the weight of a body may be taken as acting at a single point known as its centre of gravity
- Explain qualitatively how centre-of-gravity position affects stability
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