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PhysicsCollege Physics1st Edition
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Helicopters have a small propeller on their tail to keep them from rotating in the opposite direction of their main lifting blades. Explain in terms of Newton's third law why the helicopter body rotates in the opposite direction to the blades.

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College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000

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College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000
Chapter 10, Problem 16CQ
Textbook Problem
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Helicopters have a small propeller on their tail to keep them from rotating in the opposite direction of their main lifting blades. Explain in terms of Newton's third law why the helicopter body rotates in the opposite direction to the blades.

To determine

Why Helicopters have a small propeller on their tail.

Explanation of Solution

When main lifting blade of the Helicopter turns in clockwise direction as per Newton's third law of motion it apply a torque and pushes the helicopter body in the opposite direction. A small propeller is attached on the tail of the helicopter to prevent the helicopter body from turning in opposite direction continuously and control the direction of helicopter...

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