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1. |
A 5 m long ladder is resting on a smooth vertical wall with its lower end 3 m from the wall. What should be the coefficient of friction between the ladder and the floor for equilibrium? |
A. | \(\frac{1}{2}\) |
B. | \(\frac{3}{8}\) |
C. | \(\frac{1}{3}\) |
D. | \(\frac{3}{5}\) |
Answer» C. \(\frac{1}{3}\) | |