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A helicopter is moving to the rigit in horizontal plane. It experiences three forces \( \overrightarrow{\mathrm{F}}_{\text {gravitational }} \) ? \( \overrightarrow{\mathrm{F}}_{\text {ding }} \) \& upthurst force on it caused by rotor \( \vec{F}_{\text {rotor }} \) and its net acceleration being ' \( a \) '. Which of the following diagrams can be correct free body diagram w.r.t. to a stationary observer on ground?
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