500 prompts matching "Alternating current and how it differs from direct current"
Quiz: Finding speed from the gradient of a distance-time graph
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Spot my mistake: Confusing the gradient with the area on a motion graph
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Quiz: The types of force — contact forces and field forces
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Spot my mistake: Treating centrifugal force as though it were a real force
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Physics at work: Forces in engineering and construction
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Exam prep: Resolving a vector into its components
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Real-life Nigeria: Vectors in navigation and in sport
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Practice set: Efficiency, and why no machine is perfect
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Spot my mistake: Confusing power with energy
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Physics at work: Power and efficiency in Nigerian generators
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Spot my mistake: Forgetting to square the velocity in a kinetic energy calculation
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Physics at work: Mechanical energy in machines and vehicles
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Quiz: Distance, displacement and motion reviewed
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Worked example: Scalars and vectors reviewed
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Practice set: Work, energy and power reviewed
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Practice set: Latent heat of fusion and latent heat of vaporisation
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Spot my mistake: Confusing heat capacity with specific heat capacity
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Real-life Nigeria: Heat energy in Nigerian cooking and refrigeration
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Spot my mistake: Using the wrong expansivity in a calculation
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Real-life Nigeria: Expansion problems in Nigerian buildings and roads
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