501 prompts matching "Friction and the factors that affect it"
WAEC prep: Energy stored in a stretched wire
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on energy s
Worked example: Force multiplication in a hydraulic system
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Let me explain: Resolving forces into components
I have just studied resolving forces into components in my SS3 Physics class. Let me expla
Worked example: A beam problem solved by taking moments
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Let me explain: Why no machine reaches one hundred per cent efficiency
I have just studied why no machine reaches one hundred per cent efficiency in my SS3 Physi
Worked example: Efficiency of a pulley system from given loads
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Worked example: A rate-of-heat-flow calculation through a slab
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Let me explain: Why temperature stays constant during a change of state
I have just studied why temperature stays constant during a change of state in my SS3 Phys
Practice set: Combined gas law problems
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Worked example: A refraction problem through a rectangular block
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Let me explain: Constructing ray diagrams for a converging lens
I have just studied constructing ray diagrams for a converging lens in my SS3 Physics clas
Let me explain: Faraday's laws of electrolysis
I have just studied Faraday's laws of electrolysis in my SS3 Physics class. Let me explain
Practice set: Electrolysis calculations across different cells
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Practice set: Induced e.m.f. problems for moving conductors
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Worked example: Choosing a core material from hysteresis data
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Worked example: Identifying products at each electrode in a stated cell
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Practice set: Problems on conduction in electrolytes
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Worked example: Photon energy of a laser of stated wavelength
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Let me explain: Checking an equation for dimensional consistency
I have just studied checking an equation for dimensional consistency in my SS3 Physics cla
WAEC prep: Using dimensions to spot a wrong formula
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on using di