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86. A chain of mass 10kg and length 8m is resting on a rough horizontal surface. Coefficient of friction is 0.2. A force F=15N is applied as shown. Find the length of chain on which no friction acts.

Answer» 86. A chain of mass 10kg and length 8m is resting on a rough horizontal surface. Coefficient of friction is 0.2. A force F=15N is applied as shown. Find the length of chain on which no friction acts.


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