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Mechanics: Momentum and Energy

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Familiarise students with the topic of momentum required in Mechanics A Level in this unit. The chapters cover: momentum and collisions, energy, work and power, energy and work: variable forces and scalar products. 9 MOMENTUM AND COLLISIONS Momentum Impulse and change of momentum Impulse and variable forces Collisions and conservation of momentum Collisions in two dimensions The coefficient of restitution 10 ENERGY, WORK AND POWER Forms of energy Kinetic energy Work Work in two dimensions Gravitational potential energy Power 11 ENERGY AND WORK: VARIABLE FORCES AND SCALAR PRODUCTS Hooke's law The work done by a variable force Elastic potential energy Work done and the scalar product * Download all the answers to the Mechanics Topics once -- all answers are contained in the Mechanics Answers PDF * Build confidence through hundreds of questions at the right level. * Ensure students are fully prepared for their exams with extensive practice exercises, worked examples and full A-level examination questions. * Promote understanding through consolidation exercises at the end of each topic. * Challenge and broaden your students' minds with new interpretations of traditional topics in Mechanics.