The wheels allow the plane to move around while it is on the ground.
No, small planes can have only three..No, small planes can have only three..
"Chocks" are used to keep planes from rolling.
It depends on the size of the plane. Some small planes have only 3 wheels. Some big planes have 10 or more wheels. It depends on the plane. A Piper or Cessna commuter plane is going to have a lot less wheels than does a B-52, 747 or C-5 Galaxy.
radios wheels inclined planes levers
Touch down wheels Landing gear
Lever Pulley Gear Inclined planes wheels ; and axles
wheels are used everyday. Cars, bikes, buses, planes and trains. Many forms of transport rely on the wheel. Shopping trollies, trucks, forklifts. Wheels allow heavy weights to roll easily and move.
In most large transports the wheel wells are in the central fuselage where the cargo bays are. In some other aircraft wheels fold outwards and are hidden in pods behind the inner engines.
lever, wheel and axle, screw, wedge, pulley, and inclined plane
Generally in a hangar or at a tie-down. If the weather is calm, they may just be left right on the ramp where they parked... with the wheels chocked of course.
Old generation do move but the wheels look unrealistic. New generation don't move but look realistic. Specials (only sold in the Far East) have a different type of wheel which looks a little realistic and does move.