Students apply what they the car and passengers can only football, crumple zones, PS 1.1, 1.2 Use ideas about have learnt to a design be reduced by extending the packaging) momentum and impulse to solve challenge. time of the collision a practical problem Appreciation of momentum Apply this idea to explain how conservation issues in the context safety features (airbags, seat of ethical transport design belts, crumple zones) help to reduce injury in collisions 7 Work and energy Be able to define work and 3.4.1.7 Energy transferred MS 2.2, 2.3, 2.4 Change the 11.4, 11.5 calculate the work done in subject of an equation, substitute Students practise analysing 3.4.1.8 Principle of conservation situations where the force and numerical values into equations situations where energy is of energy displacement are not parallel using appropriate units, and solve transferred. algebraic equations and Apply the principle of conservation of energy to Quantitative and qualitative simple situations such as a application of energy bicycle freewheeling down a conservation to examples hill: involving gravitational potential loss of Ep = gain in Ek + work energy, kinetic energy, and work done against resistive forces done against resistive forces 8 Power Be able to derive the formula 3.4.1.7 Rate of doing work = MS 3.1 Translate information 11.5 from the definition of work rate of energy transfer, between graphical, numerical and Students consider algebraic forms mechanical power and apply Calculate the instantaneous it to situations where the power in simple situations Quantitative questions may be set MS 3.8 Understand the physical force may vary. on variable forces. significance of the area between a Calculate the work done from a curve and the x-axis and calculate graph of force versus distance Significance of the area under a it or estimate it by graphical and so calculate the average force–displacement graph methods as appropriate power in a case where force 3.4.1.4 Qualitative understanding varies of the effect of air resistance on the factors that affect the maximum speed of a vehicle 9 Efficiency Define efficiency in terms of MS 0.3 Use ratios, fractions and 3.4.1.7 work or power percentages Students analyse the work 11.6 Efficiency can be expressed as a done and efficiency in pulley Calculate the efficiency of ATc Use methods to increase percentage systems. energy transfer in problems accuracy of measurements
football, crumple zones, packaging) Appreciation of momentum conservation issues in the context of ethical transport design PS 1.1, 1.2 Use ideas about momentum and impulse to solve a practical problem Students apply what they have learnt to a design challenge. the car and passengers can only be reduced by extending the time of the collision Apply this idea to explain how safety features (airbags, seat belts, crumple zones) help to reduce injury in collisions 7 Work and energy Students practise analysing situations where energy is transferred. Be able to define work and calculate the work done in situations where the force and displacement are not parallel Apply the principle of conservation of energy to simple situations such as a bicycle freewheeling down a hill: loss of Ep = gain in Ek + work done against resistive forces 3.4.1.7 Energy transferred 3.4.1.8 Principle of conservation of energy and Quantitative and qualitative application of energy conservation to examples involving gravitational potential energy, kinetic energy, and work done against resistive forces MS 2.2, 2.3, 2.4 Change the subject of an equation, substitute numerical values into equations using appropriate units, and solve algebraic equations 11.4, 11.5 8 Power Students consider mechanical power and apply it to situations where the force may vary. Be able to derive the formula from the definition of work Calculate the instantaneous power in simple situations Calculate the work done from a graph of force versus distance and so calculate the average power in a case where force varies 3.4.1.7 Rate of doing work = rate of energy transfer, Quantitative questions may be set on variable forces. Significance of the area under a force–displacement graph 3.4.1.4 Qualitative understanding of the effect of air resistance on the factors that affect the maximum speed of a vehicle MS 3.1 Translate information between graphical, numerical and algebraic forms MS 3.8 Understand the physical significance of the area between a curve and the x-axis and calculate it or estimate it by graphical methods as appropriate 11.5 9 Efficiency Students analyse the work done and efficiency in pulley systems. Define efficiency in terms of work or power Calculate the efficiency of energy transfer in problems 3.4.1.7 Efficiency can be expressed as a percentage MS 0.3 Use ratios, fractions and percentages ATc Use methods to increase accuracy of measurements 11.6
Physics%20SoW%20Year%201.docx