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A-level
PHYSICS
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Paper 3
Section B Engineering physics
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Monday 17 June 2024 Morning Time allowed: The total time for
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both sections of this paper is
Materials
For this paper you must have: 2 hours. You are advised to
• a pencil and a ruler spend approximately
• a scientific calculator 50 minutes on this section.
• a Data and Formulae Booklet
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• a protractor.
For Examiner’s Use
Instructions Question Mark
• Use black ink or black ball-point pen.
1
• Fill in the boxes at the top of this page.
• Answer all questions. 2
• You must answer the questions in the spaces provided. Do not write 3
outside the box around each page or on blank pages. 4
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). TOTAL
• Do all rough work in this book. Cross through any work you do not want
to be marked.
• Show all your working.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 35.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
IB/M/Jun24/E6 7408/3BC
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outside the
There are no questions printed on this page box
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DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
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3
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Section B box
Answer all questions in this section.
0 1 A heavy turntable is mounted on a fixed base. The turntable can rotate freely on a
low-friction bearing.
0 1 . 1 Figure 1 shows a propeller unit fixed to the centre of the turntable.
The propeller unit consists of a motor-driven propeller and a battery.
The propeller and the turntable have a common axis of rotation.
Figure 1
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At first, the turntable and the propeller are at rest.
The propeller motor is switched on and the propeller quickly reaches a high final
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angular speed.
The propeller rotates clockwise when viewed from above.
Compare, with reference to angular momentum, the motions of the turntable and the
propeller.
[3 marks]
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Question 1 continues on the next page
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IB/M/Jun24/7408/3BC
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