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Three forces work here. There is gravity, air resistance and the lift force made by the blades autorotation. When the air resistance and gravity forces are equal in strength, this means that the helicopter has reached its terminal velocity. It cannot fall any faster than it is. As the helicopter is using auto-rotation, the pilot does not need to change any controls because the forces will balance out themselves. The helicopter, with the aid of the still spinning blades of the helicopter, will be able to make a safe landing.

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Q: Why a helicopter during autorotation could reach terminal speed with out the pilot changing the controls?
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What is the terminal velocity of a helicopter?

Terminal velocity is generally associated with a falling object, not a powered one. Therefore I must assume that the helicopter has experienced Engine/rotor failure. Rotor failure is important because even unpowered, the rotor can be used (auto-gyro) to safely land.Let's supposed the rotors have been blown off. The falling body of the helicopter will reach a 'Terminal Velocity' of between 100 and 140 mph, depending on its Drag value. Its drag value will depend on its shape and size.


A skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity during this 5 second interval her acceleration?

the crate will reach terminal velocity last, but hit the ground frist.


A skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity During this 5 second interval her acceleration will?

increase- your speed will increase until terminal velocity is reached. From there it will stay constant.


What is meant by terminal velocity of a falling object?

The terminal velocity of a falling object is the constant speed where the force of gravity is equal to the force of drag. Then the forces cancel each other out. Essentially, terminal velocity is when the speed of a falling object is no longer changing. It isn't accelerating or slowing. It's constant.


When gravitational forces and air resistance equalize on an object that is falling toward earth and the object stops accelerating its velocity is called?

In that case, the object is said to have achieved terminal speed.

Related questions

Why a helicopter falling during autorotation could reach a terminal speed without the pilot changing any controls?

Because Mr moffat likes to suck eggs


Why can a helicopter reach a terminal speed whilst falling during autorotation?

GAYS


Why a helicopter falling during auto-rotation could reach a terminal speed without the pilot changing any controls?

The helicopter begins to fall because gravity is pulling its weight. As the helicopter accelerates, the air passing past the helicopter creates drag, as the helicopter continues to accelerate the drag Increases until the drag becomes equal to the weight, stopping it from accelerating. Even if the helicopter did not auto rotate it would still reach a terminal speed, however the terminal speed for the non auto rotating helicopter would be a lot higher and the helicopter would take longer to reach this speed.


Effect of changing load on alternator?

by changing load its terminal voltage changes.


What is the terminal velocity of a helicopter?

Terminal velocity is generally associated with a falling object, not a powered one. Therefore I must assume that the helicopter has experienced Engine/rotor failure. Rotor failure is important because even unpowered, the rotor can be used (auto-gyro) to safely land.Let's supposed the rotors have been blown off. The falling body of the helicopter will reach a 'Terminal Velocity' of between 100 and 140 mph, depending on its Drag value. Its drag value will depend on its shape and size.


A skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity during this 5 second interval her acceleration?

the crate will reach terminal velocity last, but hit the ground frist.


How do you get a bus on Gameloft's Gangstar Rio when I have only seen one once in two months?

buy an helicopter and fly over the train terminal near the first safe house you should see a bus but you have to be inside the helicopter


A skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity During this 5 second interval her acceleration will?

increase- your speed will increase until terminal velocity is reached. From there it will stay constant.


What is it called When an objects speed is not changing?

Terminal velocity if it has reached its top speed. Or obviously constant speed.


Why can't I press on Terminal for Mac?

The Mac OS X Parental Controls section of System Preferences allows for the blocking of access to certain applications. Terminal would be a good choice to block if the owner did not want their computer messed with.


How do you change the direction of DC motor?

by changing the ryb phase altornat e.g. rby ,bry , yrb we change the direction of the induction motor .. . ..


What is meant by terminal velocity of a falling object?

The terminal velocity of a falling object is the constant speed where the force of gravity is equal to the force of drag. Then the forces cancel each other out. Essentially, terminal velocity is when the speed of a falling object is no longer changing. It isn't accelerating or slowing. It's constant.