A-LevelPhysicsWork, energy and powerMay/June 2021Paper 1 Q161 Mark
An object of weight 12 N rests on a platform on top of a container with two pistons, as shown. The container contains a fixed mass of gas, and the pistons are free to move. [Figure 16.1] The plunger is slowly pushed 4.0 cm to the right. As a result, the object slowly moves upwards a distance 0.50 cm. How much work is done on the object?
A0.060 J
B0.48 J
C6.0 J
D48 J
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The correct answer is A. This question tests the candidate's understanding of work, energy and power within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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