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2 marksCoplanar Forces and Equilibrium

CAPE Applied Mathematics Unit 2 · 2010 · Paper 2 · Question 6(b)(ii)

The string breaks at a tension (strain) of 15 N. In the position when the string is about to break:

Find the magnitude of the pull, P.

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Other parts of this question

  1. 6(a)(i)If in the position of equilibrium P = 6 N, find the magnitude of the tension in OB.[9 marks]
  2. 6(a)(ii)If in the position of equilibrium P = 6 N, find the magnitude of the (acute) angle of inclination OB makes with the vertical.[3 marks]
  3. 6(b)(i)Find the magnitude of the (acute) angle of inclination OB makes with the vertical.[3 marks]
  4. 6(c)(i)Find the magnitude of ai + bj.[4 marks]
  5. 6(c)(ii)Find the angle of inclination of ai + bj to Ox.[4 marks]

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