The helicopter is widely used for executive transport, search and rescue, and utility. It's used here because of it's versatility, smoothness, and ability to hover and move backwards. While it can do these jobs and more, it uses fuel much quicker than airplanes do.
To counteract the torque of the main rotor and to provide yaw movement along the z axis.
Depends on the purpose and make of the helicopter.
The main blade on a helicopter is the 'rotor'
The engine and main rotor
The rotor is the hub and main blades on top of every helicopter.
Helicopter Blades are bolted onto the main rotor
Yes, one of the main purposes of the helicopter was to carry people.
to travel and land easier and faster
the main rotor creates lift.
It is one of the main controls.
The purpose of a helipad (helicopter landing pad) is to provide a safe place in a city's environment for a helicopter to land. Helipads are commonly found on top of hospitals and other buildings.
A spy helicopter main job is to spy in enemy bases in low places and some times it can send troops in there