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Lift and thrust are necessary for an aircraft to fly. The thrust (from a propeller or a jet) starts it rolling and when enough windspeed is flowing around the wings, it will lift.

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12y ago

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How are lift and thrust use in airplane?

Thrust is used to make it roll forward. This forward motion causes lift at the wings.


Forces on an airplane that are positive?

Lift and thrust


How does thrust and lift help an airplane fly?

Lift keeps an aircraft up, thrust pushes it forward.


What are the four forces that act on an airplane in flight?

Lift, weight, thrust and drag.


What are the forces on an airplane?

There are four forces that act on an airplane that keeps it at a level altitude. Thrust, drag, weight, and lift determine whether a pilot flies at a level altitude.


What are the 4 forces on an airplane?

Lift, Gravity, thrust and drag


What is the relationship of lift drag thrust and weight when the airplane is in straight-and-level flight?

Lift equals weight and thrust equals drag.


How an airplane flys?

lift and thrust overcome weight and drag


Why does an airplane need thrust?

An aircraft needs an engine to get thrust and roll forward to gain lift.


Is the upward force on a airplane wing is thrust?

Thrust is the forward motion of the airplane provided by the engines. Lift is the upward force on an airplanes wing.


How are lifts and thrusts used on an airplane?

Lift and thrust is what enables an airplane to maintain flight. Lift is generated by the wings, and thrust is generated by the engine or propeller. Combined they enable the aircraft to fly. Air currents and up-drafts, on an aircraft that does not have an engine (like a glider), also help generate lift and thrust to keep such an aircraft in the air. However, gliders get into the air by being towed by an airplane, or by a sort of sling-shot.


In an airplane the lift force is used to overcome weight in a model rocket is what used to over come weight?

Thrust, strong and powerfull