Exam-Style Problem
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June 2020 p42 q3
4015
A particle of mass 2.5 kg is held in equilibrium on a rough plane inclined at 20° to the horizontal by a force of magnitude \(T\) N making an angle of 60° with a line of greatest slope of the plane (see diagram). The coefficient of friction between the particle and the plane is 0.3.
Find the greatest and least possible values of \(T\).
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