206 prompts matching "A resistivity calculation using diameter instead of radius"
Worked example: Calculating the extension of a spring under load
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Spot my mistake: Using Hooke's law on a spring that has already been overstretched
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Quiz: Calculating the moment of a force about a point
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Let me explain: The principle of moments
I have just studied the principle of moments in my SS1 Physics class. Let me explain it ba
Exam prep: The conditions for the equilibrium of a rigid body
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Quiz: Finding the centre of mass of a regular and of an irregular body
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Let me explain: Stability and the types of equilibrium
I have just studied stability and the types of equilibrium in my SS1 Physics class. Let me
Worked example: Calculating the momentum of a moving body
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Practice set: The conservation of linear momentum
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Quiz: Calculating the density of a regular solid
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Worked example: Calculating the relative density of a liquid
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Exam prep: The law of flotation
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Spot my mistake: Confusing density with weight
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Spot my mistake: Confusing wavelength with amplitude
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Let me explain: The reflection and refraction of waves
I have just studied the reflection and refraction of waves in my SS1 Physics class. Let me
Practice set: Diffraction of waves, and when it is noticeable
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Exam prep: Interference of waves and the conditions for it
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Let me explain: The laws of reflection
I have just studied the laws of reflection in my SS1 Physics class. Let me explain it back
Practice set: The characteristics of an image in a plane mirror
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Quiz: The laws of refraction
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