A-LevelPhysicsWork, energy and powerFeb/Mar 2020Paper 1 Q171 Mark
An object is moved in a vertical plane from X to Y, and then from Y to Z, as shown in the diagram. [Figure showing an object moving in a vertical plane from X to Y (3m down, 5m right) and then Y to Z (4m up, 4m right)] The distances between various points are indicated on the diagram. Lines XY and VZ are vertical. The object weighs 20 N. How much gravitational potential energy does the object gain by moving from X to Z?
A60 J
B120 J
C140 J
D260 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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