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1. |
Two books of mass 1 kg each are kept on a table, one over the other. The coefficient of friction on every pair of contacting surfaces is 0.3. The lower book is pulled with a horizontal force F. The minimum value of F for which slip occurs between the two books is |
A. | zero |
B. | 11.77 N |
C. | 5.88 N |
D. | 8.83 N |
Answer» C. 5.88 N | |