233 prompts matching "Efficiency of a pulley system from given loads"
Practice set: The pulley system and its velocity ratio
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Quiz: Finding speed from the gradient of a distance-time graph
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Worked example: Finding acceleration from the gradient of a velocity-time graph
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Worked example: Calculating the power of a machine lifting a load
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Exam prep: Calculating the efficiency of a machine
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Worked example: Calculating the extension of a spring under load
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Spot my mistake: Measuring angles from the surface instead of from the normal
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Worked example: Calculating the efficiency of an energy transfer
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Exam timing: A timed set of energy and efficiency questions
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Worked example: Finding refractive index from a pair of measured angles
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Spot my mistake: Reading the spring constant from the wrong part of the graph
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Quiz: The types of force — contact forces and field forces
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Quiz: Sorting given quantities into scalars and vectors
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Practice set: Efficiency, and why no machine is perfect
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Quiz: Calculating the kinetic energy of a moving body
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Practice set: The conservation of mechanical energy
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Practice set: Latent heat of fusion and latent heat of vaporisation
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Practice set: The anomalous expansion of water
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Quiz: Good and bad conductors of heat
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Quiz: The arrangement and motion of particles in each state of matter
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