330 prompts matching "Equilibrium problems with several forces"
Teach me: Why light changes direction when it passes between media
You are my personal SS1 Physics tutor. Teach me why light changes direction when it passes
Quiz: The laws of refraction stated
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Worked example: Finding refractive index from a pair of measured angles
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Real-life Nigeria: Optical fibres and the periscope
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Physics at work: Fibre optics in Nigerian communications
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Teach me: The shapes and actions of converging and diverging lenses
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Quiz: The principal focus, the focal length and the optical centre
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Worked example: Applying the lens formula to find the image position
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Real-life Nigeria: Lenses in the eye and in spectacles
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Physics at work: Optometry and lens manufacture
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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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Quiz: Clockwise moments and anticlockwise moments
Act as my SS1 Physics tutor and quiz me on clockwise moments and anticlockwise moments. As