
AQA A-level Physics Option C lesson on torque, work and power in rotating systems. 15 editable slides, 26-mark worksheet and mark scheme.
What’s in the PowerPoint
• A Newton’s laws and moments starter, with answers in the speaker notes
• Torque, T = Fr and T = Iα, with a diagram
• Work and power when rotating, W = Tθ and P = Tω
• Frictional torque and the power lost to it
• Worked examples: angular acceleration, a motor, and finding frictional torque
• A common mistakes slide
• Six check questions with answers, and an exit ticket
• Teacher notes in the speaker notes throughout
What’s in the worksheet (26 marks)
• Recall of torque equations
• Torque and angular acceleration calculations
• Work and power calculations
• Exam-style questions on frictional torque and a falling mass turning a wheel
• A full mark scheme with mark points, on separate pages
Good for
First teaching, revision, homework, cover lessons or independent study. Both files are fully editable in PowerPoint and Word.
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