323 prompts matching "A lens formula problem with sign convention"
Quiz: The principal focus, the focal length and the optical centre
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Teach me: The electric field and the force it exerts
You are my personal SS1 Physics tutor. Teach me the electric field and the force it exerts
Quiz: Electric current and the unit in which it is measured
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Worked example: Applying Ohm's law to find an unknown quantity
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Real-life Nigeria: Reading a Nigerian electricity meter
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Physics at work: Electrical installation work in Nigeria
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Teach me: Elastic and plastic behaviour in a material
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Quiz: Hooke's law and the spring constant
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Worked example: Finding the spring constant from a graph
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Real-life Nigeria: Springs in Nigerian vehicles and weighing scales
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Physics at work: Materials testing as work
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Teach me: The moment of a force about a pivot
You are my personal SS1 Physics tutor. Teach me the moment of a force about a pivot, using
Quiz: Clockwise moments and anticlockwise moments
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Worked example: Finding an unknown force on a balanced beam
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Real-life Nigeria: Moments in Nigerian wheelbarrows and see-saws
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Teach me: How a body becomes electrically charged
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Quiz: The two kinds of charge and how they behave towards each other
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Worked example: Explaining the leaf movement in an electroscope experiment
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Real-life Nigeria: Static electricity hazards at Nigerian fuel stations
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Physics at work: Electrostatics in printing and in paint spraying
Act as my SS1 Physics tutor. Explain which Nigerian jobs and industries depend on electros