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ENERGY WORK AND POWER
PARTICLE STRUCTURE OF MATTER
ANSWERS TO SELFEVALUATION
acceleration ammeter apparatus atom boiling point Calculate the current Calculate the power conductor constant velocity copper current flows Determine diameter displacement ratio draw electric circuit electric current energy example exerts a force forces act free-falling body freezing point heat is added insulators joule Joule's law keep the lever kilojoule kj of heat km/h law of moments Learning Outcomes length lifting machine line of action lines of force magnetic lines magnitude and direction matter measured mechanical advantage metals metre molecules motion neat sketch newtons object Ohm's law parallelogram of forces phases of matter potential difference Pre-knowledge proton pyrometer quantity of heat raise the temperature relationship required to lift resultant and equilibrant right-hand rule rope block scalar Self-evaluation shown in figure solid Solution space diagram specific heat capacity straight line systems of forces thermometer liquid three forces total resistance vector diagram voltage voltmeter