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A body of mass 8kg is in limiting equilibrium over an inclined plane of inclination 30 degrees .if the inclination was made 60 degrees what will the minimum force required to prevent body from sliding downward is
Inclined plane at 30 degree,F = mgsin30 = > 80/2 = 40 Nplane at 60 degree,f = mgsin60 = > 80root3/2 = > 40root3 N = 69 N (approx.)The minum force would be: => 69 – 40 => 29 Newton.
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