Following FBD diagram, find the magnitude of kinetic friction on block. Take the acceleration due to gravity to be g = 10m/s2m=10kgμ=0.5 . Round off your answer to nearest integer.
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Solution
Normal force acting on the block=N=mgcos30∘=86.6N
Hence the friction force acting is f=μN=0.5×86.6N=43.3N