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1. |
_ The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is$? |
A. | ¾ l |
B. | ¬Ω l |
C. | l/‚Äö√ √∂2 |
D. | 2/‚Äö√ √∂3 l |
Answer» D. 2/‚Äö√ √∂3 l | |