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lf coefficient of friction between all surfaces is 0.4. then the minimum horizontal force F to have the equilibrium of the system will be. (g = 10m / `s^2`)
A. |
62.5 N |
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B. |
150 N |
C. |
135 N |
D. |
50 N |
From horizontal equilibrium of blocks `N_1=N_2=F` hence limiting frictions are `f_(I_1)=f_(I_2)=mu F` equations are