find the force required to pull a block of mass 100kg up an incline of 8 degree at a uniform speed of 5m/s. the coefficient of friction between of friction between the block and the plane is 0.3.
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friction(f)=N (coefficient of friction)
N=mg cos θ
F=?
F=f+mg sin θ
F= mg cosθ(coefficient of friction)+mg sinθ
F = (100) (10) cos8 (0.3) + (100) (10) sin8
g =10 or 9.8 (i have taken 10 because it is easier to calculate)
sin8=0.139
cos8=0.99
there you go you can calculate the value now
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