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Some helicopters feature a second rotor underneath the first rotor that counters the force applied to the body of the helicopter by applying thrust in the opposite direction of the main rotor. This stops the helicopter from spinning around. Others, instead of a second rotor underneath the first rotor have a back rotor that essentially does the same thing, which is provide a equal force to the first rotor preventing the helicopter from spinning =0
What else can I help you with?
What causes a soccer ball to curve when kicked?
When a soccer ball is kicked, the spin applied to the ball causes it to curve in the air. This is known as the Magnus effect, where the spin creates a difference in air pressure around the ball, causing it to curve in the direction of the spin.
Do helicopters defy gravity?
Helicopters do not defy gravity. They generate lift through their rotating blades, which pushes against the force of gravity to keep them airborne. Without this lift, helicopters would fall to the ground like any other object under the influence of gravity.
How does a soccer ball curve when it is kicked with spin?
When a soccer ball is kicked with spin, it curves in the direction of the spin due to the Magnus effect, which causes the air pressure differences around the ball to create a curved path.
How do helicopters show thrust?
Helicopters are notorious for showing downward thrust, prior to lifting off the ground, in a cloud of dust, flattened grass, or in people clutching their hats as they go to or from the helicopter.
Why do soccer balls curve when kicked?
Soccer balls curve when kicked due to the Magnus effect, which is caused by the spin applied to the ball. The spin creates a difference in air pressure around the ball, causing it to curve in the direction of the spin.
Why do helicopters spin around when they crash?
They do not always "crash" in this manner. although when they do, it is mainly due the instabilization of the tail prop. ============================================================ if the tail prop is not spining the rotation of the main rotor will force the helicopter to spin in the opposite direction, by air drag, the tail counterbalances this force.
Why are helicopters called helicopters?
Helicopters can hover stationary in the air, but they are not called hovercraft. A hovercraft is a ground based vehicle that rides on a cushion of air that is constantly pumped under a skirt around the base of the vehicle.
Why are helicopters called hovercrafts?
Helicopters can hover stationary in the air, but they are not called hovercraft. A hovercraft is a ground based vehicle that rides on a cushion of air that is constantly pumped under a skirt around the base of the vehicle.
How are helicopters refueled in air?
Some large helicopters use 'drogue and hose' refuelling
Does the Air Force use helicopters?
Of course they do!
Can you fly the aircrane in gta 4?
no, if u wanna get in the air, u have to use helicopters
Are Helicopters important?
Yes, and not only as military equipment.- if it wasnt for helicopters, hundreds of thousands of people would not be alive today with things such as - Search and rescue helicopters Firefighting helicopters Air ambulances (medEvac) Coast guard helicopters the reality is that helicopters are vital in our modern world
What fruit does the sycamore tree produce?
The Sycamore (Acer pseudoplatanus) is a broad leaf tree that produces winged fruits. We used to call them helicopters because they spin as they fall through the air. Their proper name is samaras.
What causes a soccer ball to curve when kicked?
When a soccer ball is kicked, the spin applied to the ball causes it to curve in the air. This is known as the Magnus effect, where the spin creates a difference in air pressure around the ball, causing it to curve in the direction of the spin.
How do dolphins spin in the air?
by jumping and spin.
Do helicopters defy gravity?
Helicopters do not defy gravity. They generate lift through their rotating blades, which pushes against the force of gravity to keep them airborne. Without this lift, helicopters would fall to the ground like any other object under the influence of gravity.
How do youl do a bar spin on a scooter please help?
First, you have to know how to get the scooter in the air. Once you are in the air, simply spin the handle bar around 360 degrees. Once you perfect the trick, it will look awesome!
