Mathematics (AS & A Level) · May / June 2022 · Paper 42 · Question 5
9709
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A block of mass 12kg is placed on a plane which is inclined at an angle of 24Å to the horizontal. A light string, making an angle of 36Å above a line of greatest slope, is attached to the block. The tension in the string is 65N (see diagram). The coefficient of friction between the block and plane is -. The block is in limiting equilibrium and is on the point of sliding up the plane. Find -. [6] 9
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