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A body of mass 60 kg is dragged with just enough force to start moving on a rough surface with coefficient of Static and kinetic frictions 0.5 and 0.4 respectively. On applying the same force, find the acceleration__?

Answer»

ass,= 60 kgCoefficient of STATIC friction,= 0.5Coefficient of Kinetic friction,= 0.4To find:ACCELERATION = ?SOLUTION:Maximum static friction will be:= On putting the values, we get= = Maximum kinetic friction will be:= = then,⇒ or,⇒  On substituting the values, we get⇒     ⇒     Thus, the acceleration will be "0.98 m/s²".



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