Asked by Anonymous
A 4600 kg helicopter accelerated upward at 5 m/s^2. What lift force is exerted by the air on the propellers?
--Would the downward force of gravity play a part in the solution?
--Would the downward force of gravity play a part in the solution?
Answers
Answered by
drwls
The lift force on the propeller blades (F) is what keeps the helicopeter aloft and provides vertical acceleration.
F - Mg = Ma
F - Mg = Ma
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