OCR•A-Level•Mathematics
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Moments
Moments of forces, equilibrium of rigid bodies, and centres of mass
Practice 25 subtopics in Moments. All questions match the OCR A-Level specification.
About Moments
Moments is a key topic in the OCR A-Level Mathematicsspecification. This topic covers moments of forces, equilibrium of rigid bodies, and centres of mass.
Master all 25 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (25)
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Moment of a forceMoment = Force × perpendicular distanceClockwise and anticlockwise momentsUnits of moments (N m)Calculating momentsPrinciple of momentsSum of clockwise = Sum of anticlockwiseEquilibrium conditions for rigid bodiesSum of forces = 0Sum of moments about any point = 0Choosing the pivot pointUniform beams and rodsCentre of mass of uniform bodiesNon-uniform rodsReactions at supportsMultiple supportsTilting problemsOn point of tiltingReaction becomes zero when tiltingFinding maximum loadsLadder problemsLadder against smooth wallLadder against rough wallFinding reactions and frictionHinged bodies
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