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  • A helicopter of mass 1000 kg rises with a vertical acceleration of 15 m s -2 . The crew and the passengers weigh 300 kg. Give the magnitude and direction of the (c) force on the helicopter due to the surrounding air.

Q5.27 A helicopter of mass 1000 kg rises with a vertical acceleration of 15 m s-2. The crew and the passengers weigh 300 kg. Give the magnitude and direction of the

(c) force on the helicopter due to the surrounding air.

Answers (1)

best_answer

      R\ -\ mg\ =\ ma

or                                                 R\ =\ ma\ +\ mg

or                                                        =\ 1300\left ( 15+10 \right )

or                                                        =\ 32500\ N

The direction of the force of the rotor on the surrounding will be in the downward direction.

By action-reaction pair, the force on helicopter due to the surrounding is 32500 N and it is directed vertically upward. 

Posted by

Devendra Khairwa

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