438 prompts matching "Efficiency, and why no machine is perfect"
Quiz: Moments and the principle of moments
Act as my SS3 Physics tutor and quiz me on moments and the principle of moments. Ask five
WAEC prep: Centre of gravity and stability
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on centre o
Spot my mistake: A moment taken about the wrong point
Act as my SS3 Physics tutor. Show me a worked solution on a moment taken about the wrong p
Real-life Nigeria: Equilibrium in a market scale and a loaded lorry
Act as my SS3 Physics tutor. Show me where equilibrium in a market scale and a loaded lorr
Worked example: Efficiency of a pulley system from given loads
Act as my SS3 Physics tutor. Show me a full worked example on efficiency of a pulley syste
Practice set: Inclined plane and lever problems
Act as my SS3 Physics tutor. Give me five practice questions on inclined plane and lever p
WAEC prep: The wheel and axle and the screw jack
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the whee
Spot my mistake: Confusing mechanical advantage with velocity ratio
Act as my SS3 Physics tutor. Show me a worked solution on confusing mechanical advantage w
Real-life Nigeria: Pulleys and levers on a Nigerian building site
Act as my SS3 Physics tutor. Show me where pulleys and levers on a Nigerian building site
Let me explain: Radiation and the effect of surface colour
I have just studied radiation and the effect of surface colour in my SS3 Physics class. Le
WAEC prep: The vacuum flask and how it limits all three modes
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the vacu
Spot my mistake: Explaining a convection effect as conduction
Act as my SS3 Physics tutor. Show me a worked solution on explaining a convection effect a
Real-life Nigeria: Roofing materials and heat in Nigerian homes
Act as my SS3 Physics tutor. Show me where roofing materials and heat in Nigerian homes tu
Physics at work: Building services and insulation
Act as my SS3 Physics tutor. Explain which Nigerian jobs and industries depend on building
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
Spot my mistake: A solution that omits the latent heat stage
Act as my SS3 Physics tutor. Show me a worked solution on a solution that omits the latent
Real-life Nigeria: Cooling drinks with ice and evaporative clay pots
Act as my SS3 Physics tutor. Show me where cooling drinks with ice and evaporative clay po
Physics at work: Refrigeration and food processing
Act as my SS3 Physics tutor. Explain which Nigerian jobs and industries depend on refriger
Quiz: Charles' law and the pressure law
Act as my SS3 Physics tutor and quiz me on Charles' law and the pressure law. Ask five que
WAEC prep: Absolute zero and the Kelvin scale
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on absolute