Question: 3 - 1 3 7 The 2 0 0 - k g , 5 - m - wide rectangular gate shown in Fig. P 3

3-137
The 200-kg,5-m-wide rectangular gate shown in Fig. P3-137 is hinged at B and leans against the floor at A making an angle of 45 with the horizontal. The gate is to be opened from its lower edge by applying a normal force at its center. Determine the minimum force F required to open the water gate. Answer: 520 kN
FIGURE P3-137
3 - 1 3 7 The 2 0 0 - k g , 5 - m - wide

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