Physics, asked by chakori9733, 11 months ago

Why should a helicopter necessarily have two propellers?

Answers

Answered by yashmir

because 1 propeller is used for control direction and second one is used for height of helicopter.

Answered by Anonymous

HLO MATE HERE U GO.

⭐. If there were only one propeller , then according to law of conservation of angular momentum , the helicopter would rotate itself in the opposite direction.

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