Mathematics (AS & A Level) · Feb / March 2021 · Paper 42 · Question 3
9709
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Q 30Å 60Å P R A particle Q of mass 0.2 kg is held in equilibrium by two light inextensible strings PQ and QR. P is a fixed point on a vertical wall and R is a fixed point on a horizontal floor. The angles which strings PQ and QR make with the horizontal are 60Å and 30Å respectively (see diagram). Find the tensions in the two strings. [5]
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