answersLogoWhite

0

The back rotor of the helicopter counters the force applied to the body of the helicopter by the main rotor by applying thrust in the same direction as the main rotor. The force from the main rotor is applied in the opposite direction the main rotor is spinning. So say the force the main rotor was exerting on the body of the helicopter was causing the tail to move left then the back rotor would be designed to apply an equal force pushing the tail right to keep it from spinning.

If the back rotor of a helicopter malfunctioned it would begin to spin.

User Avatar

Wiki User

13y ago

What else can I help you with?