A) \[25\times {{10}^{4}}N\]
B) \[0.5\times {{10}^{4}}N\]
C) \[5\times {{10}^{4}}N\]
D) \[0.25\times {{10}^{5}}N\]
Correct Answer: A
Solution :
Dynamic lift on the wing \[F=({{P}_{1}}-{{P}_{2}})A\] \[=(0.8\times {{10}^{5}}-0.75\times {{10}^{5}})\times 50\] \[=0.05\times {{10}^{5}}\times 50=25\times {{10}^{4}}N\]
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