OCR•GCSE•Physics
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P2: Forces
Motion, Newton's laws, and forces in action
Practice 53 subtopics in P2: Forces. All questions match the OCR GCSE specification.
About P2: Forces
P2: Forces is a key topic in the OCR GCSE Physicsspecification. This topic covers motion, newton's laws, and forces in action.
Master all 53 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 (53)
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Distance and displacementSpeed and velocityScalar and vector quantitiesSpeed = distance / timeTypical speeds: walking, running, cycling, carsDistance-time graphsCalculating speed from d-t graphs (gradient)Velocity-time graphsCalculating acceleration from v-t graphs (gradient)Calculating distance from v-t graphs (area under curve) (HT)Uniform motion and non-uniform motionAverage speed calculationsAcceleration = Δv / tEquations of motion: v² = u² + 2asRequired practical: investigating motionContact and non-contact forcesGravitational, electrostatic and magnetic forcesFree body force diagramsResultant forcesResolving forces into components (HT)Newton's First Law: balanced forcesObjects at rest and constant velocityNewton's Second Law: F = maCalculating acceleration, force and massInertial mass and resistance to change (HT)Newton's Third Law: action-reaction pairsIdentifying third law pairsTerminal velocity and drag forces (HT)Factors affecting dragCircular motion and changing velocity (HT)Centripetal force (HT)Momentum = mass × velocity (HT)Conservation of momentum (HT)Elastic and inelastic collisions (HT)Calculating momentum in collisions (HT)Deformation: stretching, compressing, bendingElastic and plastic deformationHooke's Law: F = kxSpring constant calculationsLimit of proportionalityEnergy stored in springs: E = ½kx²Required practical: force-extension investigationGravitational field strengthWeight = mgWeight on different planetsFree fall and g = 9.8 m/s²Moments and turning effectsMoment = force × distancePrinciple of momentsLevers as force multipliersGears: changing force and speedPressure in fluids: p = F/AHydraulic systems and force multiplication
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