A-LevelPhysicsForces, density and pressureFeb/Mar 2017Paper 1 Q31 Mark
A pendulum bob is held stationary by a horizontal force H. The three forces acting on the bob are shown in the diagram. The tension in the string of the pendulum is T. The weight of the pendulum bob is W. The string is held at an angle of 30° to the vertical. Which statement is correct?
AH = T cos 30
BT = H sin 30
CW = T sin 30
DW = T cos 30
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The correct answer is D. This question tests the candidate's understanding of forces, density and pressure 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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