A-LevelPhysicsForces, density and pressureOct/Nov 2013Paper 1 Q151 Mark
A uniform metre rule of weight 2.0 N is pivoted at the 60 cm mark. A 4.0 N weight is suspended from one end, causing the rule to rotate about the pivot. [Figure 15.1] At the instant when the rule is horizontal, what is the resultant turning moment about the pivot?
Azero
B1.4 Nm
C1.6 Nm
D1.8 Nm
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The correct answer is B. 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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