Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 43 · Question 2
9709
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50 N 20Å A block is pushed along a horizontal floor by a force of magnitude 50 N which acts at an angle of 20Å to the horizontal (see diagram). The coefficient of friction between the block and the floor is 0.3. Given that the speed of the block is constant, find the mass of the block. [5]
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