A-LevelMathematicsMechanicsFeb/Mar 2018Paper 5 Q79 Marks
ABCD is a uniform square lamina with sides of length 0.6 m. A circular hole of radius r m is made in the lamina. The centre of the hole is 0.3 m from AB and 0.25 m from AD. The lamina is freely suspended at A and hangs with the axis of symmetry making an angle of 48° with the horizontal [Figure 7.1].
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